378874600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{145721}}^1$

素因数の和:145750

約数の個数: 48

約数和(自身を含む): 948650220

約数和(自身を除く): 569775620

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 145721, 291442, 582884, 728605, 1165768, 1457210, 1894373, 2914420, 3643025, 3788746, 5828840, 7286050, 7577492, 9471865, 14572100, 15154984, 18943730, 29144200, 37887460, 47359325, 75774920, 94718650, 189437300, 378874600]

約数ペア:

[(1, 378874600), (2, 189437300), (4, 94718650), (5, 75774920), (8, 47359325), (10, 37887460), (13, 29144200), (20, 18943730), (25, 15154984), (26, 14572100), (40, 9471865), (50, 7577492), (52, 7286050), (65, 5828840), (100, 3788746), (104, 3643025), (130, 2914420), (200, 1894373), (260, 1457210), (325, 1165768), (520, 728605), (650, 582884), (1300, 291442), (2600, 145721)]