888916340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{1453}}^1$

素因数の和:1669

約数の個数: 72

約数和(自身を含む): 2033930808

約数和(自身を除く): 1145014468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 181, 260, 338, 362, 676, 724, 845, 905, 1453, 1690, 1810, 2353, 2906, 3380, 3620, 4706, 5812, 7265, 9412, 11765, 14530, 18889, 23530, 29060, 30589, 37778, 47060, 61178, 75556, 94445, 122356, 152945, 188890, 245557, 262993, 305890, 377780, 491114, 525986, 611780, 982228, 1051972, 1227785, 1314965, 2455570, 2629930, 3418909, 4911140, 5259860, 6837818, 13675636, 17094545, 34189090, 44445817, 68378180, 88891634, 177783268, 222229085, 444458170, 888916340]

約数ペア:

[(1, 888916340), (2, 444458170), (4, 222229085), (5, 177783268), (10, 88891634), (13, 68378180), (20, 44445817), (26, 34189090), (52, 17094545), (65, 13675636), (130, 6837818), (169, 5259860), (181, 4911140), (260, 3418909), (338, 2629930), (362, 2455570), (676, 1314965), (724, 1227785), (845, 1051972), (905, 982228), (1453, 611780), (1690, 525986), (1810, 491114), (2353, 377780), (2906, 305890), (3380, 262993), (3620, 245557), (4706, 188890), (5812, 152945), (7265, 122356), (9412, 94445), (11765, 75556), (14530, 61178), (18889, 47060), (23530, 37778), (29060, 30589)]