287919940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:258

約数の個数: 192

約数和(自身を含む): 804077568

約数和(自身を除く): 516157628

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 37, 44, 55, 62, 70, 74, 77, 110, 124, 140, 148, 154, 155, 163, 185, 217, 220, 259, 308, 310, 326, 341, 370, 385, 407, 434, 518, 620, 652, 682, 740, 770, 814, 815, 868, 1036, 1085, 1141, 1147, 1295, 1364, 1540, 1628, 1630, 1705, 1793, 2035, 2170, 2282, 2294, 2387, 2590, 2849, 3260, 3410, 3586, 4070, 4340, 4564, 4588, 4774, 5053, 5180, 5698, 5705, 5735, 6031, 6820, 7172, 8029, 8140, 8965, 9548, 10106, 11396, 11410, 11470, 11935, 12062, 12551, 12617, 14245, 16058, 17930, 20212, 22820, 22940, 23870, 24124, 25102, 25234, 25265, 28490, 30155, 32116, 35371, 35860, 40145, 42217, 47740, 50204, 50468, 50530, 55583, 56980, 60310, 62755, 63085, 66341, 70742, 80290, 84434, 88319, 101060, 111166, 120620, 125510, 126170, 132682, 141484, 160580, 168868, 176638, 176855, 186961, 211085, 222332, 251020, 252340, 265364, 277915, 331705, 353276, 353710, 373922, 389081, 422170, 441595, 464387, 555830, 663410, 707420, 747844, 778162, 844340, 883190, 928774, 934805, 1111660, 1308727, 1326820, 1556324, 1766380, 1857548, 1869610, 1945405, 2056571, 2321935, 2617454, 3739220, 3890810, 4113142, 4643870, 5234908, 6543635, 7781620, 8226284, 9287740, 10282855, 13087270, 14395997, 20565710, 26174540, 28791994, 41131420, 57583988, 71979985, 143959970, 287919940]

約数ペア:

[(1, 287919940), (2, 143959970), (4, 71979985), (5, 57583988), (7, 41131420), (10, 28791994), (11, 26174540), (14, 20565710), (20, 14395997), (22, 13087270), (28, 10282855), (31, 9287740), (35, 8226284), (37, 7781620), (44, 6543635), (55, 5234908), (62, 4643870), (70, 4113142), (74, 3890810), (77, 3739220), (110, 2617454), (124, 2321935), (140, 2056571), (148, 1945405), (154, 1869610), (155, 1857548), (163, 1766380), (185, 1556324), (217, 1326820), (220, 1308727), (259, 1111660), (308, 934805), (310, 928774), (326, 883190), (341, 844340), (370, 778162), (385, 747844), (407, 707420), (434, 663410), (518, 555830), (620, 464387), (652, 441595), (682, 422170), (740, 389081), (770, 373922), (814, 353710), (815, 353276), (868, 331705), (1036, 277915), (1085, 265364), (1141, 252340), (1147, 251020), (1295, 222332), (1364, 211085), (1540, 186961), (1628, 176855), (1630, 176638), (1705, 168868), (1793, 160580), (2035, 141484), (2170, 132682), (2282, 126170), (2294, 125510), (2387, 120620), (2590, 111166), (2849, 101060), (3260, 88319), (3410, 84434), (3586, 80290), (4070, 70742), (4340, 66341), (4564, 63085), (4588, 62755), (4774, 60310), (5053, 56980), (5180, 55583), (5698, 50530), (5705, 50468), (5735, 50204), (6031, 47740), (6820, 42217), (7172, 40145), (8029, 35860), (8140, 35371), (8965, 32116), (9548, 30155), (10106, 28490), (11396, 25265), (11410, 25234), (11470, 25102), (11935, 24124), (12062, 23870), (12551, 22940), (12617, 22820), (14245, 20212), (16058, 17930)]