1977899510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{4217}}^1$

素因数の和:4361

約数の個数: 64

約数和(自身を含む): 3935900160

約数和(自身を除く): 1958000650

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 89, 155, 170, 178, 310, 445, 527, 890, 1054, 1513, 2635, 2759, 3026, 4217, 5270, 5518, 7565, 8434, 13795, 15130, 21085, 27590, 42170, 46903, 71689, 93806, 130727, 143378, 234515, 261454, 358445, 375313, 469030, 653635, 716890, 750626, 1307270, 1876565, 2222359, 3753130, 4444718, 6380321, 11111795, 11634703, 12760642, 22223590, 23269406, 31901605, 58173515, 63803210, 116347030, 197789951, 395579902, 988949755, 1977899510]

約数ペア:

[(1, 1977899510), (2, 988949755), (5, 395579902), (10, 197789951), (17, 116347030), (31, 63803210), (34, 58173515), (62, 31901605), (85, 23269406), (89, 22223590), (155, 12760642), (170, 11634703), (178, 11111795), (310, 6380321), (445, 4444718), (527, 3753130), (890, 2222359), (1054, 1876565), (1513, 1307270), (2635, 750626), (2759, 716890), (3026, 653635), (4217, 469030), (5270, 375313), (5518, 358445), (7565, 261454), (8434, 234515), (13795, 143378), (15130, 130727), (21085, 93806), (27590, 71689), (42170, 46903)]