1921617750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{197089}}^1$

素因数の和:197122

約数の個数: 64

約数和(自身を含む): 5165334720

約数和(自身を除く): 3243716970

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 1625, 1950, 3250, 4875, 9750, 197089, 394178, 591267, 985445, 1182534, 1970890, 2562157, 2956335, 4927225, 5124314, 5912670, 7686471, 9854450, 12810785, 14781675, 15372942, 24636125, 25621570, 29563350, 38432355, 49272250, 64053925, 73908375, 76864710, 128107850, 147816750, 192161775, 320269625, 384323550, 640539250, 960808875, 1921617750]

約数ペア:

[(1, 1921617750), (2, 960808875), (3, 640539250), (5, 384323550), (6, 320269625), (10, 192161775), (13, 147816750), (15, 128107850), (25, 76864710), (26, 73908375), (30, 64053925), (39, 49272250), (50, 38432355), (65, 29563350), (75, 25621570), (78, 24636125), (125, 15372942), (130, 14781675), (150, 12810785), (195, 9854450), (250, 7686471), (325, 5912670), (375, 5124314), (390, 4927225), (650, 2956335), (750, 2562157), (975, 1970890), (1625, 1182534), (1950, 985445), (3250, 591267), (4875, 394178), (9750, 197089)]