2450401980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:721

約数の個数: 192

約数和(自身を含む): 7700918400

約数和(自身を除く): 5250516420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 169, 174, 195, 260, 290, 338, 348, 377, 390, 435, 507, 580, 641, 676, 754, 780, 845, 870, 1014, 1131, 1282, 1508, 1690, 1740, 1885, 1923, 2028, 2197, 2262, 2535, 2564, 3205, 3380, 3770, 3846, 4394, 4524, 4901, 5070, 5655, 6410, 6591, 7540, 7692, 8333, 8788, 9615, 9802, 10140, 10985, 11310, 12820, 13182, 14703, 16666, 18589, 19230, 19604, 21970, 22620, 24505, 24999, 26364, 29406, 32955, 33332, 37178, 38460, 41665, 43940, 49010, 49998, 55767, 58812, 63713, 65910, 73515, 74356, 83330, 92945, 98020, 99996, 108329, 111534, 124995, 127426, 131820, 147030, 166660, 185890, 191139, 216658, 223068, 241657, 249990, 254852, 278835, 294060, 318565, 324987, 371780, 382278, 433316, 483314, 499980, 541645, 557670, 637130, 649974, 724971, 764556, 955695, 966628, 1083290, 1115340, 1208285, 1274260, 1299948, 1408277, 1449942, 1624935, 1911390, 2166580, 2416570, 2816554, 2899884, 3141541, 3249870, 3624855, 3822780, 4224831, 4833140, 5633108, 6283082, 6499740, 7041385, 7249710, 8449662, 9424623, 12566164, 14082770, 14499420, 15707705, 16899324, 18849246, 21124155, 28165540, 31415410, 37698492, 40840033, 42248310, 47123115, 62830820, 81680066, 84496620, 94246230, 122520099, 163360132, 188492460, 204200165, 245040198, 408400330, 490080396, 612600495, 816800660, 1225200990, 2450401980]

約数ペア:

[(1, 2450401980), (2, 1225200990), (3, 816800660), (4, 612600495), (5, 490080396), (6, 408400330), (10, 245040198), (12, 204200165), (13, 188492460), (15, 163360132), (20, 122520099), (26, 94246230), (29, 84496620), (30, 81680066), (39, 62830820), (52, 47123115), (58, 42248310), (60, 40840033), (65, 37698492), (78, 31415410), (87, 28165540), (116, 21124155), (130, 18849246), (145, 16899324), (156, 15707705), (169, 14499420), (174, 14082770), (195, 12566164), (260, 9424623), (290, 8449662), (338, 7249710), (348, 7041385), (377, 6499740), (390, 6283082), (435, 5633108), (507, 4833140), (580, 4224831), (641, 3822780), (676, 3624855), (754, 3249870), (780, 3141541), (845, 2899884), (870, 2816554), (1014, 2416570), (1131, 2166580), (1282, 1911390), (1508, 1624935), (1690, 1449942), (1740, 1408277), (1885, 1299948), (1923, 1274260), (2028, 1208285), (2197, 1115340), (2262, 1083290), (2535, 966628), (2564, 955695), (3205, 764556), (3380, 724971), (3770, 649974), (3846, 637130), (4394, 557670), (4524, 541645), (4901, 499980), (5070, 483314), (5655, 433316), (6410, 382278), (6591, 371780), (7540, 324987), (7692, 318565), (8333, 294060), (8788, 278835), (9615, 254852), (9802, 249990), (10140, 241657), (10985, 223068), (11310, 216658), (12820, 191139), (13182, 185890), (14703, 166660), (16666, 147030), (18589, 131820), (19230, 127426), (19604, 124995), (21970, 111534), (22620, 108329), (24505, 99996), (24999, 98020), (26364, 92945), (29406, 83330), (32955, 74356), (33332, 73515), (37178, 65910), (38460, 63713), (41665, 58812), (43940, 55767), (49010, 49998)]