553660900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{181}}^2$

素因数の和:402

約数の個数: 81

約数和(自身を含む): 1308199473

約数和(自身を除く): 754538573

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 181, 260, 325, 338, 362, 650, 676, 724, 845, 905, 1300, 1690, 1810, 2353, 3380, 3620, 4225, 4525, 4706, 8450, 9050, 9412, 11765, 16900, 18100, 23530, 30589, 32761, 47060, 58825, 61178, 65522, 117650, 122356, 131044, 152945, 163805, 235300, 305890, 327610, 425893, 611780, 655220, 764725, 819025, 851786, 1529450, 1638050, 1703572, 2129465, 3058900, 3276100, 4258930, 5536609, 8517860, 10647325, 11073218, 21294650, 22146436, 27683045, 42589300, 55366090, 110732180, 138415225, 276830450, 553660900]

約数ペア:

[(1, 553660900), (2, 276830450), (4, 138415225), (5, 110732180), (10, 55366090), (13, 42589300), (20, 27683045), (25, 22146436), (26, 21294650), (50, 11073218), (52, 10647325), (65, 8517860), (100, 5536609), (130, 4258930), (169, 3276100), (181, 3058900), (260, 2129465), (325, 1703572), (338, 1638050), (362, 1529450), (650, 851786), (676, 819025), (724, 764725), (845, 655220), (905, 611780), (1300, 425893), (1690, 327610), (1810, 305890), (2353, 235300), (3380, 163805), (3620, 152945), (4225, 131044), (4525, 122356), (4706, 117650), (8450, 65522), (9050, 61178), (9412, 58825), (11765, 47060), (16900, 32761), (18100, 30589)]