101898550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:458

約数の個数: 72

約数和(自身を含む): 212397120

約数和(自身を除く): 110498570

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 169, 310, 325, 338, 389, 403, 650, 775, 778, 806, 845, 1550, 1690, 1945, 2015, 3890, 4030, 4225, 5057, 5239, 8450, 9725, 10075, 10114, 10478, 12059, 19450, 20150, 24118, 25285, 26195, 50570, 52390, 60295, 65741, 120590, 126425, 130975, 131482, 156767, 252850, 261950, 301475, 313534, 328705, 602950, 657410, 783835, 1567670, 1643525, 2037971, 3287050, 3919175, 4075942, 7838350, 10189855, 20379710, 50949275, 101898550]

約数ペア:

[(1, 101898550), (2, 50949275), (5, 20379710), (10, 10189855), (13, 7838350), (25, 4075942), (26, 3919175), (31, 3287050), (50, 2037971), (62, 1643525), (65, 1567670), (130, 783835), (155, 657410), (169, 602950), (310, 328705), (325, 313534), (338, 301475), (389, 261950), (403, 252850), (650, 156767), (775, 131482), (778, 130975), (806, 126425), (845, 120590), (1550, 65741), (1690, 60295), (1945, 52390), (2015, 50570), (3890, 26195), (4030, 25285), (4225, 24118), (5057, 20150), (5239, 19450), (8450, 12059), (9725, 10478), (10075, 10114)]