202080580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2153}}^1$

素因数の和:2213

約数の個数: 72

約数和(自身を含む): 482556312

約数和(自身を除く): 280475732

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 361, 380, 494, 722, 988, 1235, 1444, 1805, 2153, 2470, 3610, 4306, 4693, 4940, 7220, 8612, 9386, 10765, 18772, 21530, 23465, 27989, 40907, 43060, 46930, 55978, 81814, 93860, 111956, 139945, 163628, 204535, 279890, 409070, 531791, 559780, 777233, 818140, 1063582, 1554466, 2127164, 2658955, 3108932, 3886165, 5317910, 7772330, 10104029, 10635820, 15544660, 20208058, 40416116, 50520145, 101040290, 202080580]

約数ペア:

[(1, 202080580), (2, 101040290), (4, 50520145), (5, 40416116), (10, 20208058), (13, 15544660), (19, 10635820), (20, 10104029), (26, 7772330), (38, 5317910), (52, 3886165), (65, 3108932), (76, 2658955), (95, 2127164), (130, 1554466), (190, 1063582), (247, 818140), (260, 777233), (361, 559780), (380, 531791), (494, 409070), (722, 279890), (988, 204535), (1235, 163628), (1444, 139945), (1805, 111956), (2153, 93860), (2470, 81814), (3610, 55978), (4306, 46930), (4693, 43060), (4940, 40907), (7220, 27989), (8612, 23465), (9386, 21530), (10765, 18772)]