4894890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:204

約数の個数: 128

約数和(自身を含む): 15869952

約数和(自身を除く): 10975062

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 26, 30, 33, 35, 39, 42, 55, 65, 66, 70, 77, 78, 91, 105, 110, 130, 143, 154, 163, 165, 182, 195, 210, 231, 273, 286, 326, 330, 385, 390, 429, 455, 462, 489, 546, 715, 770, 815, 858, 910, 978, 1001, 1141, 1155, 1365, 1430, 1630, 1793, 2002, 2119, 2145, 2282, 2310, 2445, 2730, 3003, 3423, 3586, 4238, 4290, 4890, 5005, 5379, 5705, 6006, 6357, 6846, 8965, 10010, 10595, 10758, 11410, 12551, 12714, 14833, 15015, 17115, 17930, 21190, 23309, 25102, 26895, 29666, 30030, 31785, 34230, 37653, 44499, 46618, 53790, 62755, 63570, 69927, 74165, 75306, 88998, 116545, 125510, 139854, 148330, 163163, 188265, 222495, 233090, 326326, 349635, 376530, 444990, 489489, 699270, 815815, 978978, 1631630, 2447445, 4894890]

約数ペア:

[(1, 4894890), (2, 2447445), (3, 1631630), (5, 978978), (6, 815815), (7, 699270), (10, 489489), (11, 444990), (13, 376530), (14, 349635), (15, 326326), (21, 233090), (22, 222495), (26, 188265), (30, 163163), (33, 148330), (35, 139854), (39, 125510), (42, 116545), (55, 88998), (65, 75306), (66, 74165), (70, 69927), (77, 63570), (78, 62755), (91, 53790), (105, 46618), (110, 44499), (130, 37653), (143, 34230), (154, 31785), (163, 30030), (165, 29666), (182, 26895), (195, 25102), (210, 23309), (231, 21190), (273, 17930), (286, 17115), (326, 15015), (330, 14833), (385, 12714), (390, 12551), (429, 11410), (455, 10758), (462, 10595), (489, 10010), (546, 8965), (715, 6846), (770, 6357), (815, 6006), (858, 5705), (910, 5379), (978, 5005), (1001, 4890), (1141, 4290), (1155, 4238), (1365, 3586), (1430, 3423), (1630, 3003), (1793, 2730), (2002, 2445), (2119, 2310), (2145, 2282)]