249883340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 660858912

約数和(自身を除く): 410975572

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 53, 68, 70, 85, 98, 106, 119, 140, 170, 196, 212, 238, 245, 265, 283, 340, 371, 476, 490, 530, 566, 595, 742, 833, 901, 980, 1060, 1132, 1190, 1415, 1484, 1666, 1802, 1855, 1981, 2380, 2597, 2830, 3332, 3604, 3710, 3962, 4165, 4505, 4811, 5194, 5660, 6307, 7420, 7924, 8330, 9010, 9622, 9905, 10388, 12614, 12985, 13867, 14999, 16660, 18020, 19244, 19810, 24055, 25228, 25970, 27734, 29998, 31535, 33677, 39620, 44149, 48110, 51940, 55468, 59996, 63070, 67354, 69335, 74995, 88298, 96220, 104993, 126140, 134708, 138670, 149990, 168385, 176596, 209986, 220745, 235739, 254983, 277340, 299980, 336770, 419972, 441490, 471478, 509966, 524965, 673540, 734951, 882980, 942956, 1019932, 1049930, 1178695, 1274915, 1469902, 1784881, 2099860, 2357390, 2549830, 2939804, 3569762, 3674755, 4714780, 5099660, 7139524, 7349510, 8924405, 12494167, 14699020, 17848810, 24988334, 35697620, 49976668, 62470835, 124941670, 249883340]

約数ペア:

[(1, 249883340), (2, 124941670), (4, 62470835), (5, 49976668), (7, 35697620), (10, 24988334), (14, 17848810), (17, 14699020), (20, 12494167), (28, 8924405), (34, 7349510), (35, 7139524), (49, 5099660), (53, 4714780), (68, 3674755), (70, 3569762), (85, 2939804), (98, 2549830), (106, 2357390), (119, 2099860), (140, 1784881), (170, 1469902), (196, 1274915), (212, 1178695), (238, 1049930), (245, 1019932), (265, 942956), (283, 882980), (340, 734951), (371, 673540), (476, 524965), (490, 509966), (530, 471478), (566, 441490), (595, 419972), (742, 336770), (833, 299980), (901, 277340), (980, 254983), (1060, 235739), (1132, 220745), (1190, 209986), (1415, 176596), (1484, 168385), (1666, 149990), (1802, 138670), (1855, 134708), (1981, 126140), (2380, 104993), (2597, 96220), (2830, 88298), (3332, 74995), (3604, 69335), (3710, 67354), (3962, 63070), (4165, 59996), (4505, 55468), (4811, 51940), (5194, 48110), (5660, 44149), (6307, 39620), (7420, 33677), (7924, 31535), (8330, 29998), (9010, 27734), (9622, 25970), (9905, 25228), (10388, 24055), (12614, 19810), (12985, 19244), (13867, 18020), (14999, 16660)]