86798140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 225227520

約数和(自身を除く): 138429380

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 89, 110, 121, 124, 130, 143, 155, 178, 220, 242, 260, 286, 310, 341, 356, 403, 445, 484, 572, 605, 620, 682, 715, 806, 890, 979, 1157, 1210, 1364, 1430, 1573, 1612, 1705, 1780, 1958, 2015, 2314, 2420, 2759, 2860, 3146, 3410, 3751, 3916, 4030, 4433, 4628, 4895, 5518, 5785, 6292, 6820, 7502, 7865, 8060, 8866, 9790, 10769, 11036, 11570, 12727, 13795, 15004, 15730, 17732, 18755, 19580, 21538, 22165, 23140, 25454, 27590, 30349, 31460, 35867, 37510, 43076, 44330, 48763, 50908, 53845, 55180, 60698, 63635, 71734, 75020, 88660, 97526, 107690, 121396, 127270, 139997, 143468, 151745, 179335, 195052, 215380, 243815, 254540, 279994, 303490, 333839, 358670, 394537, 487630, 559988, 606980, 667678, 699985, 717340, 789074, 975260, 1335356, 1399970, 1578148, 1669195, 1972685, 2799940, 3338390, 3945370, 4339907, 6676780, 7890740, 8679814, 17359628, 21699535, 43399070, 86798140]

約数ペア:

[(1, 86798140), (2, 43399070), (4, 21699535), (5, 17359628), (10, 8679814), (11, 7890740), (13, 6676780), (20, 4339907), (22, 3945370), (26, 3338390), (31, 2799940), (44, 1972685), (52, 1669195), (55, 1578148), (62, 1399970), (65, 1335356), (89, 975260), (110, 789074), (121, 717340), (124, 699985), (130, 667678), (143, 606980), (155, 559988), (178, 487630), (220, 394537), (242, 358670), (260, 333839), (286, 303490), (310, 279994), (341, 254540), (356, 243815), (403, 215380), (445, 195052), (484, 179335), (572, 151745), (605, 143468), (620, 139997), (682, 127270), (715, 121396), (806, 107690), (890, 97526), (979, 88660), (1157, 75020), (1210, 71734), (1364, 63635), (1430, 60698), (1573, 55180), (1612, 53845), (1705, 50908), (1780, 48763), (1958, 44330), (2015, 43076), (2314, 37510), (2420, 35867), (2759, 31460), (2860, 30349), (3146, 27590), (3410, 25454), (3751, 23140), (3916, 22165), (4030, 21538), (4433, 19580), (4628, 18755), (4895, 17732), (5518, 15730), (5785, 15004), (6292, 13795), (6820, 12727), (7502, 11570), (7865, 11036), (8060, 10769), (8866, 9790)]