245958420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{215753}}^1$

素因数の和:215784

約数の個数: 48

約数和(自身を含む): 724933440

約数和(自身を除く): 478975020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 215753, 431506, 647259, 863012, 1078765, 1294518, 2157530, 2589036, 3236295, 4099307, 4315060, 6472590, 8198614, 12297921, 12945180, 16397228, 20496535, 24595842, 40993070, 49191684, 61489605, 81986140, 122979210, 245958420]

約数ペア:

[(1, 245958420), (2, 122979210), (3, 81986140), (4, 61489605), (5, 49191684), (6, 40993070), (10, 24595842), (12, 20496535), (15, 16397228), (19, 12945180), (20, 12297921), (30, 8198614), (38, 6472590), (57, 4315060), (60, 4099307), (76, 3236295), (95, 2589036), (114, 2157530), (190, 1294518), (228, 1078765), (285, 863012), (380, 647259), (570, 431506), (1140, 215753)]