402890540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{757}}^1$

素因数の和:891

約数の個数: 96

約数和(自身を含む): 962720640

約数和(自身を除く): 559830100

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, 757, 890, 1157, 1196, 1495, 1514, 1780, 2047, 2314, 2990, 3028, 3785, 4094, 4628, 5785, 5980, 7570, 8188, 9841, 10235, 11570, 15140, 17411, 19682, 20470, 23140, 26611, 34822, 39364, 40940, 49205, 53222, 67373, 69644, 87055, 98410, 106444, 133055, 134746, 174110, 196820, 226343, 266110, 269492, 336865, 348220, 452686, 532220, 673730, 875849, 905372, 1131715, 1347460, 1549579, 1751698, 2263430, 3099158, 3503396, 4379245, 4526860, 6198316, 7747895, 8758490, 15495790, 17516980, 20144527, 30991580, 40289054, 80578108, 100722635, 201445270, 402890540]

約数ペア:

[(1, 402890540), (2, 201445270), (4, 100722635), (5, 80578108), (10, 40289054), (13, 30991580), (20, 20144527), (23, 17516980), (26, 15495790), (46, 8758490), (52, 7747895), (65, 6198316), (89, 4526860), (92, 4379245), (115, 3503396), (130, 3099158), (178, 2263430), (230, 1751698), (260, 1549579), (299, 1347460), (356, 1131715), (445, 905372), (460, 875849), (598, 673730), (757, 532220), (890, 452686), (1157, 348220), (1196, 336865), (1495, 269492), (1514, 266110), (1780, 226343), (2047, 196820), (2314, 174110), (2990, 134746), (3028, 133055), (3785, 106444), (4094, 98410), (4628, 87055), (5785, 69644), (5980, 67373), (7570, 53222), (8188, 49205), (9841, 40940), (10235, 39364), (11570, 34822), (15140, 26611), (17411, 23140), (19682, 20470)]