128416220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{2039}}^1$

素因数の和:2162

約数の個数: 48

約数和(自身を含む): 279659520

約数和(自身を除く): 151243300

約数列:

[1, 2, 4, 5, 10, 20, 47, 67, 94, 134, 188, 235, 268, 335, 470, 670, 940, 1340, 2039, 3149, 4078, 6298, 8156, 10195, 12596, 15745, 20390, 31490, 40780, 62980, 95833, 136613, 191666, 273226, 383332, 479165, 546452, 683065, 958330, 1366130, 1916660, 2732260, 6420811, 12841622, 25683244, 32104055, 64208110, 128416220]

約数ペア:

[(1, 128416220), (2, 64208110), (4, 32104055), (5, 25683244), (10, 12841622), (20, 6420811), (47, 2732260), (67, 1916660), (94, 1366130), (134, 958330), (188, 683065), (235, 546452), (268, 479165), (335, 383332), (470, 273226), (670, 191666), (940, 136613), (1340, 95833), (2039, 62980), (3149, 40780), (4078, 31490), (6298, 20390), (8156, 15745), (10195, 12596)]