7898989820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:360

約数の個数: 192

約数和(自身を含む): 18899225856

約数和(自身を除く): 11000236036

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 73, 85, 92, 101, 115, 137, 146, 170, 202, 230, 274, 292, 340, 365, 391, 404, 460, 505, 548, 685, 730, 782, 1010, 1241, 1370, 1460, 1564, 1679, 1717, 1955, 2020, 2323, 2329, 2482, 2740, 3151, 3358, 3434, 3910, 4646, 4658, 4964, 6205, 6302, 6716, 6868, 7373, 7820, 8395, 8585, 9292, 9316, 10001, 11615, 11645, 12410, 12604, 13837, 14746, 15755, 16790, 17170, 20002, 23230, 23290, 24820, 27674, 28543, 29492, 31510, 33580, 34340, 36865, 39491, 40004, 46460, 46580, 50005, 53567, 55348, 57086, 63020, 69185, 73730, 78982, 100010, 107134, 114172, 125341, 138370, 142715, 147460, 157964, 169579, 170017, 197455, 200020, 214268, 230023, 235229, 250682, 267835, 276740, 285430, 318251, 339158, 340034, 394910, 460046, 470458, 501364, 535670, 570860, 626705, 636502, 678316, 680068, 789820, 847895, 850085, 920092, 940916, 1010101, 1071340, 1150115, 1176145, 1253410, 1273004, 1591255, 1695790, 1700170, 2020202, 2300230, 2352290, 2506820, 2882843, 3182510, 3391580, 3400340, 3910391, 4040404, 4600460, 4704580, 5050505, 5410267, 5765686, 6365020, 7820782, 10101010, 10820534, 11531372, 14414215, 15641564, 17171717, 19551955, 20202020, 21641068, 23232323, 27051335, 28828430, 34343434, 39103910, 46464646, 54102670, 57656860, 68686868, 78207820, 85858585, 92929292, 108205340, 116161615, 171717170, 232323230, 343434340, 394949491, 464646460, 789898982, 1579797964, 1974747455, 3949494910, 7898989820]

約数ペア:

[(1, 7898989820), (2, 3949494910), (4, 1974747455), (5, 1579797964), (10, 789898982), (17, 464646460), (20, 394949491), (23, 343434340), (34, 232323230), (46, 171717170), (68, 116161615), (73, 108205340), (85, 92929292), (92, 85858585), (101, 78207820), (115, 68686868), (137, 57656860), (146, 54102670), (170, 46464646), (202, 39103910), (230, 34343434), (274, 28828430), (292, 27051335), (340, 23232323), (365, 21641068), (391, 20202020), (404, 19551955), (460, 17171717), (505, 15641564), (548, 14414215), (685, 11531372), (730, 10820534), (782, 10101010), (1010, 7820782), (1241, 6365020), (1370, 5765686), (1460, 5410267), (1564, 5050505), (1679, 4704580), (1717, 4600460), (1955, 4040404), (2020, 3910391), (2323, 3400340), (2329, 3391580), (2482, 3182510), (2740, 2882843), (3151, 2506820), (3358, 2352290), (3434, 2300230), (3910, 2020202), (4646, 1700170), (4658, 1695790), (4964, 1591255), (6205, 1273004), (6302, 1253410), (6716, 1176145), (6868, 1150115), (7373, 1071340), (7820, 1010101), (8395, 940916), (8585, 920092), (9292, 850085), (9316, 847895), (10001, 789820), (11615, 680068), (11645, 678316), (12410, 636502), (12604, 626705), (13837, 570860), (14746, 535670), (15755, 501364), (16790, 470458), (17170, 460046), (20002, 394910), (23230, 340034), (23290, 339158), (24820, 318251), (27674, 285430), (28543, 276740), (29492, 267835), (31510, 250682), (33580, 235229), (34340, 230023), (36865, 214268), (39491, 200020), (40004, 197455), (46460, 170017), (46580, 169579), (50005, 157964), (53567, 147460), (55348, 142715), (57086, 138370), (63020, 125341), (69185, 114172), (73730, 107134), (78982, 100010)]