400000050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{13267}}^1$

素因数の和:13352

約数の個数: 72

約数和(自身を含む): 1090788816

約数和(自身を除く): 690788766

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 67, 75, 90, 134, 150, 201, 225, 335, 402, 450, 603, 670, 1005, 1206, 1675, 2010, 3015, 3350, 5025, 6030, 10050, 13267, 15075, 26534, 30150, 39801, 66335, 79602, 119403, 132670, 199005, 238806, 331675, 398010, 597015, 663350, 888889, 995025, 1194030, 1777778, 1990050, 2666667, 2985075, 4444445, 5333334, 5970150, 8000001, 8888890, 13333335, 16000002, 22222225, 26666670, 40000005, 44444450, 66666675, 80000010, 133333350, 200000025, 400000050]

約数ペア:

[(1, 400000050), (2, 200000025), (3, 133333350), (5, 80000010), (6, 66666675), (9, 44444450), (10, 40000005), (15, 26666670), (18, 22222225), (25, 16000002), (30, 13333335), (45, 8888890), (50, 8000001), (67, 5970150), (75, 5333334), (90, 4444445), (134, 2985075), (150, 2666667), (201, 1990050), (225, 1777778), (335, 1194030), (402, 995025), (450, 888889), (603, 663350), (670, 597015), (1005, 398010), (1206, 331675), (1675, 238806), (2010, 199005), (3015, 132670), (3350, 119403), (5025, 79602), (6030, 66335), (10050, 39801), (13267, 30150), (15075, 26534)]