244689980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{1699}}^1$

素因数の和:2106

約数の個数: 48

約数和(自身を含む): 542640000

約数和(自身を除く): 297950020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 379, 380, 758, 1516, 1699, 1895, 3398, 3790, 6796, 7201, 7580, 8495, 14402, 16990, 28804, 32281, 33980, 36005, 64562, 72010, 129124, 144020, 161405, 322810, 643921, 645620, 1287842, 2575684, 3219605, 6439210, 12234499, 12878420, 24468998, 48937996, 61172495, 122344990, 244689980]

約数ペア:

[(1, 244689980), (2, 122344990), (4, 61172495), (5, 48937996), (10, 24468998), (19, 12878420), (20, 12234499), (38, 6439210), (76, 3219605), (95, 2575684), (190, 1287842), (379, 645620), (380, 643921), (758, 322810), (1516, 161405), (1699, 144020), (1895, 129124), (3398, 72010), (3790, 64562), (6796, 36005), (7201, 33980), (7580, 32281), (8495, 28804), (14402, 16990)]