28182671020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{3863}}^1$

素因数の和:3992

約数の個数: 144

約数和(自身を含む): 71583289344

約数和(自身を除く): 43400618324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 41, 62, 70, 82, 124, 140, 155, 164, 205, 217, 287, 310, 410, 434, 574, 620, 820, 868, 1085, 1148, 1271, 1435, 1681, 2170, 2542, 2870, 3362, 3863, 4340, 5084, 5740, 6355, 6724, 7726, 8405, 8897, 11767, 12710, 15452, 16810, 17794, 19315, 23534, 25420, 27041, 33620, 35588, 38630, 44485, 47068, 52111, 54082, 58835, 77260, 88970, 104222, 108164, 117670, 119753, 135205, 158383, 177940, 208444, 235340, 239506, 260555, 270410, 316766, 364777, 479012, 521110, 540820, 598765, 633532, 729554, 791915, 838271, 1042220, 1108681, 1197530, 1459108, 1583830, 1676542, 1823885, 2217362, 2395060, 3167660, 3353084, 3647770, 4191355, 4434724, 4909873, 5543405, 6493703, 7295540, 8382710, 9819746, 11086810, 12987406, 16765420, 19639492, 22173620, 24549365, 25974812, 32468515, 34369111, 45455921, 49098730, 64937030, 68738222, 90911842, 98197460, 129874060, 137476444, 171845555, 181823684, 201304793, 227279605, 343691110, 402609586, 454559210, 687382220, 805219172, 909118420, 1006523965, 1409133551, 2013047930, 2818267102, 4026095860, 5636534204, 7045667755, 14091335510, 28182671020]

約数ペア:

[(1, 28182671020), (2, 14091335510), (4, 7045667755), (5, 5636534204), (7, 4026095860), (10, 2818267102), (14, 2013047930), (20, 1409133551), (28, 1006523965), (31, 909118420), (35, 805219172), (41, 687382220), (62, 454559210), (70, 402609586), (82, 343691110), (124, 227279605), (140, 201304793), (155, 181823684), (164, 171845555), (205, 137476444), (217, 129874060), (287, 98197460), (310, 90911842), (410, 68738222), (434, 64937030), (574, 49098730), (620, 45455921), (820, 34369111), (868, 32468515), (1085, 25974812), (1148, 24549365), (1271, 22173620), (1435, 19639492), (1681, 16765420), (2170, 12987406), (2542, 11086810), (2870, 9819746), (3362, 8382710), (3863, 7295540), (4340, 6493703), (5084, 5543405), (5740, 4909873), (6355, 4434724), (6724, 4191355), (7726, 3647770), (8405, 3353084), (8897, 3167660), (11767, 2395060), (12710, 2217362), (15452, 1823885), (16810, 1676542), (17794, 1583830), (19315, 1459108), (23534, 1197530), (25420, 1108681), (27041, 1042220), (33620, 838271), (35588, 791915), (38630, 729554), (44485, 633532), (47068, 598765), (52111, 540820), (54082, 521110), (58835, 479012), (77260, 364777), (88970, 316766), (104222, 270410), (108164, 260555), (117670, 239506), (119753, 235340), (135205, 208444), (158383, 177940)]