86005780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 229824000

約数和(自身を除く): 143818220

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 49, 62, 70, 76, 95, 98, 124, 133, 140, 149, 155, 190, 196, 217, 245, 266, 298, 310, 380, 434, 490, 532, 589, 596, 620, 665, 745, 868, 931, 980, 1043, 1085, 1178, 1330, 1490, 1519, 1862, 2086, 2170, 2356, 2660, 2831, 2945, 2980, 3038, 3724, 4123, 4172, 4340, 4619, 4655, 5215, 5662, 5890, 6076, 7301, 7595, 8246, 9238, 9310, 10430, 11324, 11780, 14155, 14602, 15190, 16492, 18476, 18620, 19817, 20615, 20860, 23095, 28310, 28861, 29204, 30380, 32333, 36505, 39634, 41230, 46190, 56620, 57722, 64666, 73010, 79268, 82460, 87761, 92380, 99085, 115444, 129332, 138719, 144305, 146020, 161665, 175522, 198170, 226331, 277438, 288610, 323330, 351044, 396340, 438805, 452662, 554876, 577220, 614327, 646660, 693595, 877610, 905324, 1131655, 1228654, 1387190, 1755220, 2263310, 2457308, 2774380, 3071635, 4300289, 4526620, 6143270, 8600578, 12286540, 17201156, 21501445, 43002890, 86005780]

約数ペア:

[(1, 86005780), (2, 43002890), (4, 21501445), (5, 17201156), (7, 12286540), (10, 8600578), (14, 6143270), (19, 4526620), (20, 4300289), (28, 3071635), (31, 2774380), (35, 2457308), (38, 2263310), (49, 1755220), (62, 1387190), (70, 1228654), (76, 1131655), (95, 905324), (98, 877610), (124, 693595), (133, 646660), (140, 614327), (149, 577220), (155, 554876), (190, 452662), (196, 438805), (217, 396340), (245, 351044), (266, 323330), (298, 288610), (310, 277438), (380, 226331), (434, 198170), (490, 175522), (532, 161665), (589, 146020), (596, 144305), (620, 138719), (665, 129332), (745, 115444), (868, 99085), (931, 92380), (980, 87761), (1043, 82460), (1085, 79268), (1178, 73010), (1330, 64666), (1490, 57722), (1519, 56620), (1862, 46190), (2086, 41230), (2170, 39634), (2356, 36505), (2660, 32333), (2831, 30380), (2945, 29204), (2980, 28861), (3038, 28310), (3724, 23095), (4123, 20860), (4172, 20615), (4340, 19817), (4619, 18620), (4655, 18476), (5215, 16492), (5662, 15190), (5890, 14602), (6076, 14155), (7301, 11780), (7595, 11324), (8246, 10430), (9238, 9310)]