28839113380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{54917}}^1$

素因数の和:54986

約数の個数: 144

約数和(自身を含む): 78533618688

約数和(自身を除く): 49694505308

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 121, 124, 140, 154, 155, 217, 220, 242, 308, 310, 341, 385, 434, 484, 605, 620, 682, 770, 847, 868, 1085, 1210, 1364, 1540, 1694, 1705, 2170, 2387, 2420, 3388, 3410, 3751, 4235, 4340, 4774, 6820, 7502, 8470, 9548, 11935, 15004, 16940, 18755, 23870, 26257, 37510, 47740, 52514, 54917, 75020, 105028, 109834, 131285, 219668, 262570, 274585, 384419, 525140, 549170, 604087, 768838, 1098340, 1208174, 1537676, 1702427, 1922095, 2416348, 3020435, 3404854, 3844190, 4228609, 6040870, 6644957, 6809708, 7688380, 8457218, 8512135, 11916989, 12081740, 13289914, 16914436, 17024270, 18726697, 21143045, 23833978, 26579828, 33224785, 34048540, 37453394, 42286090, 46514699, 47667956, 59584945, 66449570, 74906788, 84572180, 93029398, 93633485, 119169890, 131086879, 132899140, 186058796, 187266970, 205993667, 232573495, 238339780, 262173758, 374533940, 411987334, 465146990, 524347516, 655434395, 823974668, 930293980, 1029968335, 1310868790, 1441955669, 2059936670, 2621737580, 2883911338, 4119873340, 5767822676, 7209778345, 14419556690, 28839113380]

約数ペア:

[(1, 28839113380), (2, 14419556690), (4, 7209778345), (5, 5767822676), (7, 4119873340), (10, 2883911338), (11, 2621737580), (14, 2059936670), (20, 1441955669), (22, 1310868790), (28, 1029968335), (31, 930293980), (35, 823974668), (44, 655434395), (55, 524347516), (62, 465146990), (70, 411987334), (77, 374533940), (110, 262173758), (121, 238339780), (124, 232573495), (140, 205993667), (154, 187266970), (155, 186058796), (217, 132899140), (220, 131086879), (242, 119169890), (308, 93633485), (310, 93029398), (341, 84572180), (385, 74906788), (434, 66449570), (484, 59584945), (605, 47667956), (620, 46514699), (682, 42286090), (770, 37453394), (847, 34048540), (868, 33224785), (1085, 26579828), (1210, 23833978), (1364, 21143045), (1540, 18726697), (1694, 17024270), (1705, 16914436), (2170, 13289914), (2387, 12081740), (2420, 11916989), (3388, 8512135), (3410, 8457218), (3751, 7688380), (4235, 6809708), (4340, 6644957), (4774, 6040870), (6820, 4228609), (7502, 3844190), (8470, 3404854), (9548, 3020435), (11935, 2416348), (15004, 1922095), (16940, 1702427), (18755, 1537676), (23870, 1208174), (26257, 1098340), (37510, 768838), (47740, 604087), (52514, 549170), (54917, 525140), (75020, 384419), (105028, 274585), (109834, 262570), (131285, 219668)]