278314470

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23251}}^1$

素因数の和:23290

約数の個数: 96

約数和(自身を含む): 870554880

約数和(自身を除く): 592240410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1710, 1995, 2394, 3990, 5985, 11970, 23251, 46502, 69753, 116255, 139506, 162757, 209259, 232510, 325514, 348765, 418518, 441769, 488271, 697530, 813785, 883538, 976542, 1046295, 1325307, 1464813, 1627570, 2092590, 2208845, 2441355, 2650614, 2929626, 3092383, 3975921, 4417690, 4882710, 6184766, 6626535, 7324065, 7951842, 9277149, 13253070, 14648130, 15461915, 18554298, 19879605, 27831447, 30923830, 39759210, 46385745, 55662894, 92771490, 139157235, 278314470]

約数ペア:

[(1, 278314470), (2, 139157235), (3, 92771490), (5, 55662894), (6, 46385745), (7, 39759210), (9, 30923830), (10, 27831447), (14, 19879605), (15, 18554298), (18, 15461915), (19, 14648130), (21, 13253070), (30, 9277149), (35, 7951842), (38, 7324065), (42, 6626535), (45, 6184766), (57, 4882710), (63, 4417690), (70, 3975921), (90, 3092383), (95, 2929626), (105, 2650614), (114, 2441355), (126, 2208845), (133, 2092590), (171, 1627570), (190, 1464813), (210, 1325307), (266, 1046295), (285, 976542), (315, 883538), (342, 813785), (399, 697530), (570, 488271), (630, 441769), (665, 418518), (798, 348765), (855, 325514), (1197, 232510), (1330, 209259), (1710, 162757), (1995, 139506), (2394, 116255), (3990, 69753), (5985, 46502), (11970, 23251)]