19882500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:279

約数の個数: 120

約数和(自身を含む): 63504672

約数和(自身を除く): 43622172

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 125, 132, 150, 165, 220, 241, 250, 275, 300, 330, 375, 482, 500, 550, 625, 660, 723, 750, 825, 964, 1100, 1205, 1250, 1375, 1446, 1500, 1650, 1875, 2410, 2500, 2651, 2750, 2892, 3300, 3615, 3750, 4125, 4820, 5302, 5500, 6025, 6875, 7230, 7500, 7953, 8250, 10604, 12050, 13255, 13750, 14460, 15906, 16500, 18075, 20625, 24100, 26510, 27500, 30125, 31812, 36150, 39765, 41250, 53020, 60250, 66275, 72300, 79530, 82500, 90375, 120500, 132550, 150625, 159060, 180750, 198825, 265100, 301250, 331375, 361500, 397650, 451875, 602500, 662750, 795300, 903750, 994125, 1325500, 1656875, 1807500, 1988250, 3313750, 3976500, 4970625, 6627500, 9941250, 19882500]

約数ペア:

[(1, 19882500), (2, 9941250), (3, 6627500), (4, 4970625), (5, 3976500), (6, 3313750), (10, 1988250), (11, 1807500), (12, 1656875), (15, 1325500), (20, 994125), (22, 903750), (25, 795300), (30, 662750), (33, 602500), (44, 451875), (50, 397650), (55, 361500), (60, 331375), (66, 301250), (75, 265100), (100, 198825), (110, 180750), (125, 159060), (132, 150625), (150, 132550), (165, 120500), (220, 90375), (241, 82500), (250, 79530), (275, 72300), (300, 66275), (330, 60250), (375, 53020), (482, 41250), (500, 39765), (550, 36150), (625, 31812), (660, 30125), (723, 27500), (750, 26510), (825, 24100), (964, 20625), (1100, 18075), (1205, 16500), (1250, 15906), (1375, 14460), (1446, 13750), (1500, 13255), (1650, 12050), (1875, 10604), (2410, 8250), (2500, 7953), (2651, 7500), (2750, 7230), (2892, 6875), (3300, 6025), (3615, 5500), (3750, 5302), (4125, 4820)]