1428406840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{23509}}^1$

素因数の和:23565

約数の個数: 96

約数和(自身を含む): 3859401600

約数和(自身を除く): 2430994760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 620, 868, 980, 1085, 1240, 1519, 1736, 1960, 2170, 3038, 4340, 6076, 7595, 8680, 12152, 15190, 23509, 30380, 47018, 60760, 94036, 117545, 164563, 188072, 235090, 329126, 470180, 658252, 728779, 822815, 940360, 1151941, 1316504, 1457558, 1645630, 2303882, 2915116, 3291260, 3643895, 4607764, 5101453, 5759705, 5830232, 6582520, 7287790, 9215528, 10202906, 11519410, 14575580, 20405812, 23038820, 25507265, 29151160, 35710171, 40811624, 46077640, 51014530, 71420342, 102029060, 142840684, 178550855, 204058120, 285681368, 357101710, 714203420, 1428406840]

約数ペア:

[(1, 1428406840), (2, 714203420), (4, 357101710), (5, 285681368), (7, 204058120), (8, 178550855), (10, 142840684), (14, 102029060), (20, 71420342), (28, 51014530), (31, 46077640), (35, 40811624), (40, 35710171), (49, 29151160), (56, 25507265), (62, 23038820), (70, 20405812), (98, 14575580), (124, 11519410), (140, 10202906), (155, 9215528), (196, 7287790), (217, 6582520), (245, 5830232), (248, 5759705), (280, 5101453), (310, 4607764), (392, 3643895), (434, 3291260), (490, 2915116), (620, 2303882), (868, 1645630), (980, 1457558), (1085, 1316504), (1240, 1151941), (1519, 940360), (1736, 822815), (1960, 728779), (2170, 658252), (3038, 470180), (4340, 329126), (6076, 235090), (7595, 188072), (8680, 164563), (12152, 117545), (15190, 94036), (23509, 60760), (30380, 47018)]