201954840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:617

約数の個数: 128

約数和(自身を含む): 632966400

約数和(自身を除く): 431011560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 131, 145, 174, 232, 262, 290, 348, 393, 435, 443, 524, 580, 655, 696, 786, 870, 886, 1048, 1160, 1310, 1329, 1572, 1740, 1772, 1965, 2215, 2620, 2658, 3144, 3480, 3544, 3799, 3930, 4430, 5240, 5316, 6645, 7598, 7860, 8860, 10632, 11397, 12847, 13290, 15196, 15720, 17720, 18995, 22794, 25694, 26580, 30392, 37990, 38541, 45588, 51388, 53160, 56985, 58033, 64235, 75980, 77082, 91176, 102776, 113970, 116066, 128470, 151960, 154164, 174099, 192705, 227940, 232132, 256940, 290165, 308328, 348198, 385410, 455880, 464264, 513880, 580330, 696396, 770820, 870495, 1160660, 1392792, 1541640, 1682957, 1740990, 2321320, 3365914, 3481980, 5048871, 6731828, 6963960, 8414785, 10097742, 13463656, 16829570, 20195484, 25244355, 33659140, 40390968, 50488710, 67318280, 100977420, 201954840]

約数ペア:

[(1, 201954840), (2, 100977420), (3, 67318280), (4, 50488710), (5, 40390968), (6, 33659140), (8, 25244355), (10, 20195484), (12, 16829570), (15, 13463656), (20, 10097742), (24, 8414785), (29, 6963960), (30, 6731828), (40, 5048871), (58, 3481980), (60, 3365914), (87, 2321320), (116, 1740990), (120, 1682957), (131, 1541640), (145, 1392792), (174, 1160660), (232, 870495), (262, 770820), (290, 696396), (348, 580330), (393, 513880), (435, 464264), (443, 455880), (524, 385410), (580, 348198), (655, 308328), (696, 290165), (786, 256940), (870, 232132), (886, 227940), (1048, 192705), (1160, 174099), (1310, 154164), (1329, 151960), (1572, 128470), (1740, 116066), (1772, 113970), (1965, 102776), (2215, 91176), (2620, 77082), (2658, 75980), (3144, 64235), (3480, 58033), (3544, 56985), (3799, 53160), (3930, 51388), (4430, 45588), (5240, 38541), (5316, 37990), (6645, 30392), (7598, 26580), (7860, 25694), (8860, 22794), (10632, 18995), (11397, 17720), (12847, 15720), (13290, 15196)]