200389420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:704

約数の個数: 144

約数和(自身を含む): 553301280

約数和(自身を除く): 352911860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 49, 55, 58, 70, 77, 98, 110, 116, 140, 145, 154, 196, 203, 220, 245, 290, 308, 319, 385, 406, 490, 539, 580, 638, 641, 770, 812, 980, 1015, 1078, 1276, 1282, 1421, 1540, 1595, 2030, 2156, 2233, 2564, 2695, 2842, 3190, 3205, 4060, 4466, 4487, 5390, 5684, 6380, 6410, 7051, 7105, 8932, 8974, 10780, 11165, 12820, 14102, 14210, 15631, 17948, 18589, 22330, 22435, 28204, 28420, 31262, 31409, 35255, 37178, 44660, 44870, 49357, 62524, 62818, 70510, 74356, 78155, 89740, 92945, 98714, 125636, 130123, 141020, 156310, 157045, 185890, 197428, 204479, 246785, 260246, 312620, 314090, 345499, 371780, 408958, 493570, 520492, 628180, 650615, 690998, 817916, 910861, 987140, 1022395, 1301230, 1381996, 1431353, 1727495, 1821722, 2044790, 2602460, 2862706, 3454990, 3643444, 4089580, 4554305, 5725412, 6909980, 7156765, 9108610, 10019471, 14313530, 18217220, 20038942, 28627060, 40077884, 50097355, 100194710, 200389420]

約数ペア:

[(1, 200389420), (2, 100194710), (4, 50097355), (5, 40077884), (7, 28627060), (10, 20038942), (11, 18217220), (14, 14313530), (20, 10019471), (22, 9108610), (28, 7156765), (29, 6909980), (35, 5725412), (44, 4554305), (49, 4089580), (55, 3643444), (58, 3454990), (70, 2862706), (77, 2602460), (98, 2044790), (110, 1821722), (116, 1727495), (140, 1431353), (145, 1381996), (154, 1301230), (196, 1022395), (203, 987140), (220, 910861), (245, 817916), (290, 690998), (308, 650615), (319, 628180), (385, 520492), (406, 493570), (490, 408958), (539, 371780), (580, 345499), (638, 314090), (641, 312620), (770, 260246), (812, 246785), (980, 204479), (1015, 197428), (1078, 185890), (1276, 157045), (1282, 156310), (1421, 141020), (1540, 130123), (1595, 125636), (2030, 98714), (2156, 92945), (2233, 89740), (2564, 78155), (2695, 74356), (2842, 70510), (3190, 62818), (3205, 62524), (4060, 49357), (4466, 44870), (4487, 44660), (5390, 37178), (5684, 35255), (6380, 31409), (6410, 31262), (7051, 28420), (7105, 28204), (8932, 22435), (8974, 22330), (10780, 18589), (11165, 17948), (12820, 15631), (14102, 14210)]