201220650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{10399}}^1$

素因数の和:10460

約数の個数: 72

約数和(自身を含む): 553238400

約数和(自身を除く): 352017750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 43, 45, 50, 75, 86, 90, 129, 150, 215, 225, 258, 387, 430, 450, 645, 774, 1075, 1290, 1935, 2150, 3225, 3870, 6450, 9675, 10399, 19350, 20798, 31197, 51995, 62394, 93591, 103990, 155985, 187182, 259975, 311970, 447157, 467955, 519950, 779925, 894314, 935910, 1341471, 1559850, 2235785, 2339775, 2682942, 4024413, 4471570, 4679550, 6707355, 8048826, 11178925, 13414710, 20122065, 22357850, 33536775, 40244130, 67073550, 100610325, 201220650]

約数ペア:

[(1, 201220650), (2, 100610325), (3, 67073550), (5, 40244130), (6, 33536775), (9, 22357850), (10, 20122065), (15, 13414710), (18, 11178925), (25, 8048826), (30, 6707355), (43, 4679550), (45, 4471570), (50, 4024413), (75, 2682942), (86, 2339775), (90, 2235785), (129, 1559850), (150, 1341471), (215, 935910), (225, 894314), (258, 779925), (387, 519950), (430, 467955), (450, 447157), (645, 311970), (774, 259975), (1075, 187182), (1290, 155985), (1935, 103990), (2150, 93591), (3225, 62394), (3870, 51995), (6450, 31197), (9675, 20798), (10399, 19350)]