1242389200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{238921}}^1$

素因数の和:238952

約数の個数: 60

約数和(自身を含む): 3214456588

約数和(自身を除く): 1972067388

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 238921, 477842, 955684, 1194605, 1911368, 2389210, 3105973, 3822736, 4778420, 5973025, 6211946, 9556840, 11946050, 12423892, 15529865, 19113680, 23892100, 24847784, 31059730, 47784200, 49695568, 62119460, 77649325, 95568400, 124238920, 155298650, 248477840, 310597300, 621194600, 1242389200]

約数ペア:

[(1, 1242389200), (2, 621194600), (4, 310597300), (5, 248477840), (8, 155298650), (10, 124238920), (13, 95568400), (16, 77649325), (20, 62119460), (25, 49695568), (26, 47784200), (40, 31059730), (50, 24847784), (52, 23892100), (65, 19113680), (80, 15529865), (100, 12423892), (104, 11946050), (130, 9556840), (200, 6211946), (208, 5973025), (260, 4778420), (325, 3822736), (400, 3105973), (520, 2389210), (650, 1911368), (1040, 1194605), (1300, 955684), (2600, 477842), (5200, 238921)]