191989980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3907}}^1$

素因数の和:3945

約数の個数: 192

約数和(自身を含む): 735329280

約数和(自身を除く): 543339300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 420, 455, 468, 540, 546, 585, 630, 702, 756, 780, 819, 910, 945, 1092, 1170, 1260, 1365, 1404, 1638, 1755, 1820, 1890, 2340, 2457, 2730, 3276, 3510, 3780, 3907, 4095, 4914, 5460, 7020, 7814, 8190, 9828, 11721, 12285, 15628, 16380, 19535, 23442, 24570, 27349, 35163, 39070, 46884, 49140, 50791, 54698, 58605, 70326, 78140, 82047, 101582, 105489, 109396, 117210, 136745, 140652, 152373, 164094, 175815, 203164, 210978, 234420, 246141, 253955, 273490, 304746, 328188, 351630, 355537, 410235, 421956, 457119, 492282, 507910, 527445, 546980, 609492, 703260, 711074, 738423, 761865, 820470, 914238, 984564, 1015820, 1054890, 1066611, 1230705, 1371357, 1422148, 1476846, 1523730, 1640940, 1777685, 1828476, 2109780, 2133222, 2285595, 2461410, 2742714, 2953692, 3047460, 3199833, 3555370, 3692115, 4266444, 4571190, 4922820, 5333055, 5485428, 6399666, 6856785, 7110740, 7384230, 9142380, 9599499, 10666110, 12799332, 13713570, 14768460, 15999165, 19198998, 21332220, 27427140, 31998330, 38397996, 47997495, 63996660, 95994990, 191989980]

約数ペア:

[(1, 191989980), (2, 95994990), (3, 63996660), (4, 47997495), (5, 38397996), (6, 31998330), (7, 27427140), (9, 21332220), (10, 19198998), (12, 15999165), (13, 14768460), (14, 13713570), (15, 12799332), (18, 10666110), (20, 9599499), (21, 9142380), (26, 7384230), (27, 7110740), (28, 6856785), (30, 6399666), (35, 5485428), (36, 5333055), (39, 4922820), (42, 4571190), (45, 4266444), (52, 3692115), (54, 3555370), (60, 3199833), (63, 3047460), (65, 2953692), (70, 2742714), (78, 2461410), (84, 2285595), (90, 2133222), (91, 2109780), (105, 1828476), (108, 1777685), (117, 1640940), (126, 1523730), (130, 1476846), (135, 1422148), (140, 1371357), (156, 1230705), (180, 1066611), (182, 1054890), (189, 1015820), (195, 984564), (210, 914238), (234, 820470), (252, 761865), (260, 738423), (270, 711074), (273, 703260), (315, 609492), (351, 546980), (364, 527445), (378, 507910), (390, 492282), (420, 457119), (455, 421956), (468, 410235), (540, 355537), (546, 351630), (585, 328188), (630, 304746), (702, 273490), (756, 253955), (780, 246141), (819, 234420), (910, 210978), (945, 203164), (1092, 175815), (1170, 164094), (1260, 152373), (1365, 140652), (1404, 136745), (1638, 117210), (1755, 109396), (1820, 105489), (1890, 101582), (2340, 82047), (2457, 78140), (2730, 70326), (3276, 58605), (3510, 54698), (3780, 50791), (3907, 49140), (4095, 46884), (4914, 39070), (5460, 35163), (7020, 27349), (7814, 24570), (8190, 23442), (9828, 19535), (11721, 16380), (12285, 15628)]