209925690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31663}}^1$

素因数の和:31703

約数の個数: 64

約数和(自身を含む): 574511616

約数和(自身を除く): 364585926

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 31663, 63326, 94989, 158315, 189978, 316630, 411619, 474945, 538271, 823238, 949890, 1076542, 1234857, 1614813, 2058095, 2469714, 2691355, 3229626, 4116190, 5382710, 6174285, 6997523, 8074065, 12348570, 13995046, 16148130, 20992569, 34987615, 41985138, 69975230, 104962845, 209925690]

約数ペア:

[(1, 209925690), (2, 104962845), (3, 69975230), (5, 41985138), (6, 34987615), (10, 20992569), (13, 16148130), (15, 13995046), (17, 12348570), (26, 8074065), (30, 6997523), (34, 6174285), (39, 5382710), (51, 4116190), (65, 3229626), (78, 2691355), (85, 2469714), (102, 2058095), (130, 1614813), (170, 1234857), (195, 1076542), (221, 949890), (255, 823238), (390, 538271), (442, 474945), (510, 411619), (663, 316630), (1105, 189978), (1326, 158315), (2210, 94989), (3315, 63326), (6630, 31663)]