489403820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:903

約数の個数: 96

約数和(自身を含む): 1143797760

約数和(自身を除く): 654393940

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 59, 62, 68, 85, 118, 124, 155, 170, 236, 295, 310, 340, 527, 590, 620, 787, 1003, 1054, 1180, 1574, 1829, 2006, 2108, 2635, 3148, 3658, 3935, 4012, 5015, 5270, 7316, 7870, 9145, 10030, 10540, 13379, 15740, 18290, 20060, 24397, 26758, 31093, 36580, 46433, 48794, 53516, 62186, 66895, 92866, 97588, 121985, 124372, 133790, 155465, 185732, 232165, 243970, 267580, 310930, 414749, 464330, 487940, 621860, 789361, 829498, 928660, 1439423, 1578722, 1658996, 2073745, 2878846, 3157444, 3946805, 4147490, 5757692, 7197115, 7893610, 8294980, 14394230, 15787220, 24470191, 28788460, 48940382, 97880764, 122350955, 244701910, 489403820]

約数ペア:

[(1, 489403820), (2, 244701910), (4, 122350955), (5, 97880764), (10, 48940382), (17, 28788460), (20, 24470191), (31, 15787220), (34, 14394230), (59, 8294980), (62, 7893610), (68, 7197115), (85, 5757692), (118, 4147490), (124, 3946805), (155, 3157444), (170, 2878846), (236, 2073745), (295, 1658996), (310, 1578722), (340, 1439423), (527, 928660), (590, 829498), (620, 789361), (787, 621860), (1003, 487940), (1054, 464330), (1180, 414749), (1574, 310930), (1829, 267580), (2006, 243970), (2108, 232165), (2635, 185732), (3148, 155465), (3658, 133790), (3935, 124372), (4012, 121985), (5015, 97588), (5270, 92866), (7316, 66895), (7870, 62186), (9145, 53516), (10030, 48794), (10540, 46433), (13379, 36580), (15740, 31093), (18290, 26758), (20060, 24397)]