253500130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 508032000

約数和(自身を除く): 254531870

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 199, 205, 239, 398, 410, 478, 533, 995, 1066, 1195, 1990, 2390, 2587, 2665, 3107, 5174, 5330, 6214, 8159, 9799, 12935, 15535, 16318, 19598, 25870, 31070, 40795, 47561, 48995, 81590, 95122, 97990, 106067, 127387, 212134, 237805, 254774, 475610, 530335, 618293, 636935, 1060670, 1236586, 1273870, 1950001, 3091465, 3900002, 6182930, 9750005, 19500010, 25350013, 50700026, 126750065, 253500130]

約数ペア:

[(1, 253500130), (2, 126750065), (5, 50700026), (10, 25350013), (13, 19500010), (26, 9750005), (41, 6182930), (65, 3900002), (82, 3091465), (130, 1950001), (199, 1273870), (205, 1236586), (239, 1060670), (398, 636935), (410, 618293), (478, 530335), (533, 475610), (995, 254774), (1066, 237805), (1195, 212134), (1990, 127387), (2390, 106067), (2587, 97990), (2665, 95122), (3107, 81590), (5174, 48995), (5330, 47561), (6214, 40795), (8159, 31070), (9799, 25870), (12935, 19598), (15535, 16318)]