1490748220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2801}}^1$

素因数の和:2935

約数の個数: 96

約数和(自身を含む): 3558764160

約数和(自身を除く): 2068015940

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 89, 92, 115, 130, 178, 230, 260, 299, 356, 445, 460, 598, 890, 1157, 1196, 1495, 1780, 2047, 2314, 2801, 2990, 4094, 4628, 5602, 5785, 5980, 8188, 10235, 11204, 11570, 14005, 20470, 23140, 26611, 28010, 36413, 40940, 53222, 56020, 64423, 72826, 106444, 128846, 133055, 145652, 182065, 249289, 257692, 266110, 322115, 364130, 498578, 532220, 644230, 728260, 837499, 997156, 1246445, 1288460, 1674998, 2492890, 3240757, 3349996, 4187495, 4985780, 5733647, 6481514, 8374990, 11467294, 12963028, 16203785, 16749980, 22934588, 28668235, 32407570, 57336470, 64815140, 74537411, 114672940, 149074822, 298149644, 372687055, 745374110, 1490748220]

約数ペア:

[(1, 1490748220), (2, 745374110), (4, 372687055), (5, 298149644), (10, 149074822), (13, 114672940), (20, 74537411), (23, 64815140), (26, 57336470), (46, 32407570), (52, 28668235), (65, 22934588), (89, 16749980), (92, 16203785), (115, 12963028), (130, 11467294), (178, 8374990), (230, 6481514), (260, 5733647), (299, 4985780), (356, 4187495), (445, 3349996), (460, 3240757), (598, 2492890), (890, 1674998), (1157, 1288460), (1196, 1246445), (1495, 997156), (1780, 837499), (2047, 728260), (2314, 644230), (2801, 532220), (2990, 498578), (4094, 364130), (4628, 322115), (5602, 266110), (5785, 257692), (5980, 249289), (8188, 182065), (10235, 145652), (11204, 133055), (11570, 128846), (14005, 106444), (20470, 72826), (23140, 64423), (26611, 56020), (28010, 53222), (36413, 40940)]