28025550

素因数分解:

$2^1\times 3^2\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:104

約数の個数: 216

約数和(自身を含む): 92619072

約数和(自身を除く): 64593522

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 31, 35, 41, 42, 45, 49, 50, 62, 63, 70, 75, 82, 90, 93, 98, 105, 123, 126, 147, 150, 155, 175, 186, 205, 210, 217, 225, 245, 246, 279, 287, 294, 310, 315, 350, 369, 410, 434, 441, 450, 465, 490, 525, 558, 574, 615, 630, 651, 735, 738, 775, 861, 882, 930, 1025, 1050, 1085, 1225, 1230, 1271, 1302, 1395, 1435, 1470, 1519, 1550, 1575, 1722, 1845, 1953, 2009, 2050, 2170, 2205, 2325, 2450, 2542, 2583, 2790, 2870, 3038, 3075, 3150, 3255, 3675, 3690, 3813, 3906, 4018, 4305, 4410, 4557, 4650, 5166, 5425, 6027, 6150, 6355, 6510, 6975, 7175, 7350, 7595, 7626, 8610, 8897, 9114, 9225, 9765, 10045, 10850, 11025, 11439, 12054, 12710, 12915, 13671, 13950, 14350, 15190, 16275, 17794, 18081, 18450, 19065, 19530, 20090, 21525, 22050, 22785, 22878, 25830, 26691, 27342, 30135, 31775, 32550, 36162, 37975, 38130, 43050, 44485, 45570, 48825, 50225, 53382, 57195, 60270, 62279, 63550, 64575, 68355, 75950, 80073, 88970, 90405, 95325, 97650, 100450, 113925, 114390, 124558, 129150, 133455, 136710, 150675, 160146, 180810, 186837, 190650, 222425, 227850, 266910, 285975, 301350, 311395, 341775, 373674, 400365, 444850, 452025, 560511, 571950, 622790, 667275, 683550, 800730, 904050, 934185, 1121022, 1334550, 1556975, 1868370, 2001825, 2802555, 3113950, 4003650, 4670925, 5605110, 9341850, 14012775, 28025550]

約数ペア:

[(1, 28025550), (2, 14012775), (3, 9341850), (5, 5605110), (6, 4670925), (7, 4003650), (9, 3113950), (10, 2802555), (14, 2001825), (15, 1868370), (18, 1556975), (21, 1334550), (25, 1121022), (30, 934185), (31, 904050), (35, 800730), (41, 683550), (42, 667275), (45, 622790), (49, 571950), (50, 560511), (62, 452025), (63, 444850), (70, 400365), (75, 373674), (82, 341775), (90, 311395), (93, 301350), (98, 285975), (105, 266910), (123, 227850), (126, 222425), (147, 190650), (150, 186837), (155, 180810), (175, 160146), (186, 150675), (205, 136710), (210, 133455), (217, 129150), (225, 124558), (245, 114390), (246, 113925), (279, 100450), (287, 97650), (294, 95325), (310, 90405), (315, 88970), (350, 80073), (369, 75950), (410, 68355), (434, 64575), (441, 63550), (450, 62279), (465, 60270), (490, 57195), (525, 53382), (558, 50225), (574, 48825), (615, 45570), (630, 44485), (651, 43050), (735, 38130), (738, 37975), (775, 36162), (861, 32550), (882, 31775), (930, 30135), (1025, 27342), (1050, 26691), (1085, 25830), (1225, 22878), (1230, 22785), (1271, 22050), (1302, 21525), (1395, 20090), (1435, 19530), (1470, 19065), (1519, 18450), (1550, 18081), (1575, 17794), (1722, 16275), (1845, 15190), (1953, 14350), (2009, 13950), (2050, 13671), (2170, 12915), (2205, 12710), (2325, 12054), (2450, 11439), (2542, 11025), (2583, 10850), (2790, 10045), (2870, 9765), (3038, 9225), (3075, 9114), (3150, 8897), (3255, 8610), (3675, 7626), (3690, 7595), (3813, 7350), (3906, 7175), (4018, 6975), (4305, 6510), (4410, 6355), (4557, 6150), (4650, 6027), (5166, 5425)]