321433450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1592

約数の個数: 96

約数和(自身を含む): 718079040

約数和(自身を除く): 396645590

約数列:

[1, 2, 5, 10, 13, 17, 19, 25, 26, 34, 38, 50, 65, 85, 95, 130, 170, 190, 221, 247, 323, 325, 425, 442, 475, 494, 646, 650, 850, 950, 1105, 1235, 1531, 1615, 2210, 2470, 3062, 3230, 4199, 5525, 6175, 7655, 8075, 8398, 11050, 12350, 15310, 16150, 19903, 20995, 26027, 29089, 38275, 39806, 41990, 52054, 58178, 76550, 99515, 104975, 130135, 145445, 199030, 209950, 260270, 290890, 338351, 378157, 494513, 497575, 650675, 676702, 727225, 756314, 989026, 995150, 1301350, 1454450, 1691755, 1890785, 2472565, 3383510, 3781570, 4945130, 6428669, 8458775, 9453925, 12362825, 12857338, 16917550, 18907850, 24725650, 32143345, 64286690, 160716725, 321433450]

約数ペア:

[(1, 321433450), (2, 160716725), (5, 64286690), (10, 32143345), (13, 24725650), (17, 18907850), (19, 16917550), (25, 12857338), (26, 12362825), (34, 9453925), (38, 8458775), (50, 6428669), (65, 4945130), (85, 3781570), (95, 3383510), (130, 2472565), (170, 1890785), (190, 1691755), (221, 1454450), (247, 1301350), (323, 995150), (325, 989026), (425, 756314), (442, 727225), (475, 676702), (494, 650675), (646, 497575), (650, 494513), (850, 378157), (950, 338351), (1105, 290890), (1235, 260270), (1531, 209950), (1615, 199030), (2210, 145445), (2470, 130135), (3062, 104975), (3230, 99515), (4199, 76550), (5525, 58178), (6175, 52054), (7655, 41990), (8075, 39806), (8398, 38275), (11050, 29089), (12350, 26027), (15310, 20995), (16150, 19903)]