280381010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5051}}^1$

素因数の和:5139

約数の個数: 64

約数和(自身を含む): 631459584

約数和(自身を除く): 351078574

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 61, 65, 70, 91, 122, 130, 182, 305, 427, 455, 610, 793, 854, 910, 1586, 2135, 3965, 4270, 5051, 5551, 7930, 10102, 11102, 25255, 27755, 35357, 50510, 55510, 65663, 70714, 131326, 176785, 308111, 328315, 353570, 459641, 616222, 656630, 919282, 1540555, 2156777, 2298205, 3081110, 4005443, 4313554, 4596410, 8010886, 10783885, 20027215, 21567770, 28038101, 40054430, 56076202, 140190505, 280381010]

約数ペア:

[(1, 280381010), (2, 140190505), (5, 56076202), (7, 40054430), (10, 28038101), (13, 21567770), (14, 20027215), (26, 10783885), (35, 8010886), (61, 4596410), (65, 4313554), (70, 4005443), (91, 3081110), (122, 2298205), (130, 2156777), (182, 1540555), (305, 919282), (427, 656630), (455, 616222), (610, 459641), (793, 353570), (854, 328315), (910, 308111), (1586, 176785), (2135, 131326), (3965, 70714), (4270, 65663), (5051, 55510), (5551, 50510), (7930, 35357), (10102, 27755), (11102, 25255)]