99977780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:609

約数の個数: 96

約数和(自身を含む): 254983680

約数和(自身を除く): 155005900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 61, 70, 92, 115, 122, 140, 161, 230, 244, 305, 322, 427, 460, 509, 610, 644, 805, 854, 1018, 1220, 1403, 1610, 1708, 2036, 2135, 2545, 2806, 3220, 3563, 4270, 5090, 5612, 7015, 7126, 8540, 9821, 10180, 11707, 14030, 14252, 17815, 19642, 23414, 28060, 31049, 35630, 39284, 46828, 49105, 58535, 62098, 71260, 81949, 98210, 117070, 124196, 155245, 163898, 196420, 217343, 234140, 310490, 327796, 409745, 434686, 620980, 714127, 819490, 869372, 1086715, 1428254, 1638980, 2173430, 2856508, 3570635, 4346860, 4998889, 7141270, 9997778, 14282540, 19995556, 24994445, 49988890, 99977780]

約数ペア:

[(1, 99977780), (2, 49988890), (4, 24994445), (5, 19995556), (7, 14282540), (10, 9997778), (14, 7141270), (20, 4998889), (23, 4346860), (28, 3570635), (35, 2856508), (46, 2173430), (61, 1638980), (70, 1428254), (92, 1086715), (115, 869372), (122, 819490), (140, 714127), (161, 620980), (230, 434686), (244, 409745), (305, 327796), (322, 310490), (427, 234140), (460, 217343), (509, 196420), (610, 163898), (644, 155245), (805, 124196), (854, 117070), (1018, 98210), (1220, 81949), (1403, 71260), (1610, 62098), (1708, 58535), (2036, 49105), (2135, 46828), (2545, 39284), (2806, 35630), (3220, 31049), (3563, 28060), (4270, 23414), (5090, 19642), (5612, 17815), (7015, 14252), (7126, 14030), (8540, 11707), (9821, 10180)]