28405581310

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{163}}^1\times {\mathrm{3457}}^1$

素因数の和:3769

約数の個数: 48

約数和(自身を含む): 52193585808

約数和(自身を除く): 23788004498

約数列:

[1, 2, 5, 10, 71, 142, 163, 326, 355, 710, 815, 1630, 3457, 5041, 6914, 10082, 11573, 17285, 23146, 25205, 34570, 50410, 57865, 115730, 245447, 490894, 563491, 821683, 1126982, 1227235, 1643366, 2454470, 2817455, 4108415, 5634910, 8216830, 17426737, 34853474, 40007861, 80015722, 87133685, 174267370, 200039305, 400078610, 2840558131, 5681116262, 14202790655, 28405581310]

約数ペア:

[(1, 28405581310), (2, 14202790655), (5, 5681116262), (10, 2840558131), (71, 400078610), (142, 200039305), (163, 174267370), (326, 87133685), (355, 80015722), (710, 40007861), (815, 34853474), (1630, 17426737), (3457, 8216830), (5041, 5634910), (6914, 4108415), (10082, 2817455), (11573, 2454470), (17285, 1643366), (23146, 1227235), (25205, 1126982), (34570, 821683), (50410, 563491), (57865, 490894), (115730, 245447)]