30688450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1523}}^1$

素因数の和:1579

約数の個数: 48

約数和(自身を含む): 63495936

約数和(自身を除く): 32807486

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1523, 1550, 2015, 3046, 4030, 7615, 10075, 15230, 19799, 20150, 38075, 39598, 47213, 76150, 94426, 98995, 197990, 236065, 472130, 494975, 613769, 989950, 1180325, 1227538, 2360650, 3068845, 6137690, 15344225, 30688450]

約数ペア:

[(1, 30688450), (2, 15344225), (5, 6137690), (10, 3068845), (13, 2360650), (25, 1227538), (26, 1180325), (31, 989950), (50, 613769), (62, 494975), (65, 472130), (130, 236065), (155, 197990), (310, 98995), (325, 94426), (403, 76150), (650, 47213), (775, 39598), (806, 38075), (1523, 20150), (1550, 19799), (2015, 15230), (3046, 10075), (4030, 7615)]