280808315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1031}}^1$

素因数の和:1163

約数の個数: 32

約数和(自身を含む): 368547840

約数和(自身を除く): 87739525

約数列:

[1, 5, 19, 47, 61, 95, 235, 305, 893, 1031, 1159, 2867, 4465, 5155, 5795, 14335, 19589, 48457, 54473, 62891, 97945, 242285, 272365, 314455, 920683, 1194929, 2955877, 4603415, 5974645, 14779385, 56161663, 280808315]

約数ペア:

[(1, 280808315), (5, 56161663), (19, 14779385), (47, 5974645), (61, 4603415), (95, 2955877), (235, 1194929), (305, 920683), (893, 314455), (1031, 272365), (1159, 242285), (2867, 97945), (4465, 62891), (5155, 54473), (5795, 48457), (14335, 19589)]