249307890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1284

約数の個数: 128

約数和(自身を含む): 704858112

約数和(自身を除く): 455550222

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 31, 34, 39, 51, 62, 65, 78, 85, 93, 102, 130, 155, 170, 186, 195, 221, 255, 310, 390, 403, 442, 465, 510, 527, 663, 806, 930, 1054, 1105, 1209, 1213, 1326, 1581, 2015, 2210, 2418, 2426, 2635, 3162, 3315, 3639, 4030, 5270, 6045, 6065, 6630, 6851, 7278, 7905, 12090, 12130, 13702, 15769, 15810, 18195, 20553, 20621, 31538, 34255, 36390, 37603, 41106, 41242, 47307, 61863, 68510, 75206, 78845, 94614, 102765, 103105, 112809, 123726, 157690, 188015, 205530, 206210, 225618, 236535, 268073, 309315, 376030, 473070, 488839, 536146, 564045, 618630, 639251, 804219, 977678, 1128090, 1278502, 1340365, 1466517, 1608438, 1917753, 2444195, 2680730, 2933034, 3196255, 3835506, 4021095, 4888390, 6392510, 7332585, 8042190, 8310263, 9588765, 14665170, 16620526, 19177530, 24930789, 41551315, 49861578, 83102630, 124653945, 249307890]

約数ペア:

[(1, 249307890), (2, 124653945), (3, 83102630), (5, 49861578), (6, 41551315), (10, 24930789), (13, 19177530), (15, 16620526), (17, 14665170), (26, 9588765), (30, 8310263), (31, 8042190), (34, 7332585), (39, 6392510), (51, 4888390), (62, 4021095), (65, 3835506), (78, 3196255), (85, 2933034), (93, 2680730), (102, 2444195), (130, 1917753), (155, 1608438), (170, 1466517), (186, 1340365), (195, 1278502), (221, 1128090), (255, 977678), (310, 804219), (390, 639251), (403, 618630), (442, 564045), (465, 536146), (510, 488839), (527, 473070), (663, 376030), (806, 309315), (930, 268073), (1054, 236535), (1105, 225618), (1209, 206210), (1213, 205530), (1326, 188015), (1581, 157690), (2015, 123726), (2210, 112809), (2418, 103105), (2426, 102765), (2635, 94614), (3162, 78845), (3315, 75206), (3639, 68510), (4030, 61863), (5270, 47307), (6045, 41242), (6065, 41106), (6630, 37603), (6851, 36390), (7278, 34255), (7905, 31538), (12090, 20621), (12130, 20553), (13702, 18195), (15769, 15810)]