73689980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2131}}^1$

素因数の和:2179

約数の個数: 96

約数和(自身を含む): 200578560

約数和(自身を除く): 126888580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 2131, 2470, 2660, 3458, 4262, 4940, 6916, 8524, 8645, 10655, 14917, 17290, 21310, 27703, 29834, 34580, 40489, 42620, 55406, 59668, 74585, 80978, 110812, 138515, 149170, 161956, 193921, 202445, 277030, 283423, 298340, 387842, 404890, 526357, 554060, 566846, 775684, 809780, 969605, 1052714, 1133692, 1417115, 1939210, 2105428, 2631785, 2834230, 3684499, 3878420, 5263570, 5668460, 7368998, 10527140, 14737996, 18422495, 36844990, 73689980]

約数ペア:

[(1, 73689980), (2, 36844990), (4, 18422495), (5, 14737996), (7, 10527140), (10, 7368998), (13, 5668460), (14, 5263570), (19, 3878420), (20, 3684499), (26, 2834230), (28, 2631785), (35, 2105428), (38, 1939210), (52, 1417115), (65, 1133692), (70, 1052714), (76, 969605), (91, 809780), (95, 775684), (130, 566846), (133, 554060), (140, 526357), (182, 404890), (190, 387842), (247, 298340), (260, 283423), (266, 277030), (364, 202445), (380, 193921), (455, 161956), (494, 149170), (532, 138515), (665, 110812), (910, 80978), (988, 74585), (1235, 59668), (1330, 55406), (1729, 42620), (1820, 40489), (2131, 34580), (2470, 29834), (2660, 27703), (3458, 21310), (4262, 17290), (4940, 14917), (6916, 10655), (8524, 8645)]