148963750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 80

約数和(自身を含む): 307026720

約数和(自身を除く): 158062970

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 103, 125, 130, 178, 206, 250, 325, 445, 515, 625, 650, 890, 1030, 1157, 1250, 1339, 1625, 2225, 2314, 2575, 2678, 3250, 4450, 5150, 5785, 6695, 8125, 9167, 11125, 11570, 12875, 13390, 16250, 18334, 22250, 25750, 28925, 33475, 45835, 55625, 57850, 64375, 66950, 91670, 111250, 119171, 128750, 144625, 167375, 229175, 238342, 289250, 334750, 458350, 595855, 723125, 836875, 1145875, 1191710, 1446250, 1673750, 2291750, 2979275, 5729375, 5958550, 11458750, 14896375, 29792750, 74481875, 148963750]

約数ペア:

[(1, 148963750), (2, 74481875), (5, 29792750), (10, 14896375), (13, 11458750), (25, 5958550), (26, 5729375), (50, 2979275), (65, 2291750), (89, 1673750), (103, 1446250), (125, 1191710), (130, 1145875), (178, 836875), (206, 723125), (250, 595855), (325, 458350), (445, 334750), (515, 289250), (625, 238342), (650, 229175), (890, 167375), (1030, 144625), (1157, 128750), (1250, 119171), (1339, 111250), (1625, 91670), (2225, 66950), (2314, 64375), (2575, 57850), (2678, 55625), (3250, 45835), (4450, 33475), (5150, 28925), (5785, 25750), (6695, 22250), (8125, 18334), (9167, 16250), (11125, 13390), (11570, 12875)]