9807800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 25110000

約数和(自身を除く): 15302200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 29, 38, 40, 50, 58, 76, 89, 95, 100, 116, 145, 152, 178, 190, 200, 232, 290, 356, 380, 445, 475, 551, 580, 712, 725, 760, 890, 950, 1102, 1160, 1450, 1691, 1780, 1900, 2204, 2225, 2581, 2755, 2900, 3382, 3560, 3800, 4408, 4450, 5162, 5510, 5800, 6764, 8455, 8900, 10324, 11020, 12905, 13528, 13775, 16910, 17800, 20648, 22040, 25810, 27550, 33820, 42275, 49039, 51620, 55100, 64525, 67640, 84550, 98078, 103240, 110200, 129050, 169100, 196156, 245195, 258100, 338200, 392312, 490390, 516200, 980780, 1225975, 1961560, 2451950, 4903900, 9807800]

約数ペア:

[(1, 9807800), (2, 4903900), (4, 2451950), (5, 1961560), (8, 1225975), (10, 980780), (19, 516200), (20, 490390), (25, 392312), (29, 338200), (38, 258100), (40, 245195), (50, 196156), (58, 169100), (76, 129050), (89, 110200), (95, 103240), (100, 98078), (116, 84550), (145, 67640), (152, 64525), (178, 55100), (190, 51620), (200, 49039), (232, 42275), (290, 33820), (356, 27550), (380, 25810), (445, 22040), (475, 20648), (551, 17800), (580, 16910), (712, 13775), (725, 13528), (760, 12905), (890, 11020), (950, 10324), (1102, 8900), (1160, 8455), (1450, 6764), (1691, 5800), (1780, 5510), (1900, 5162), (2204, 4450), (2225, 4408), (2581, 3800), (2755, 3560), (2900, 3382)]