388268595760

素因数分解:

$2^4\times 5^1\times {\mathrm{3907}}^1\times {\mathrm{1242221}}^1$

素因数の和:1246141

約数の個数: 40

約数和(自身を含む): 902956265136

約数和(自身を除く): 514687669376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3907, 7814, 15628, 19535, 31256, 39070, 62512, 78140, 156280, 312560, 1242221, 2484442, 4968884, 6211105, 9937768, 12422210, 19875536, 24844420, 49688840, 99377680, 4853357447, 9706714894, 19413429788, 24266787235, 38826859576, 48533574470, 77653719152, 97067148940, 194134297880, 388268595760]

約数ペア:

[(1, 388268595760), (2, 194134297880), (4, 97067148940), (5, 77653719152), (8, 48533574470), (10, 38826859576), (16, 24266787235), (20, 19413429788), (40, 9706714894), (80, 4853357447), (3907, 99377680), (7814, 49688840), (15628, 24844420), (19535, 19875536), (31256, 12422210), (39070, 9937768), (62512, 6211105), (78140, 4968884), (156280, 2484442), (312560, 1242221)]