4905990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{151}}^1$

素因数の和:202

約数の個数: 72

約数和(自身を含む): 13551408

約数和(自身を除く): 8645418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 151, 171, 190, 285, 302, 342, 361, 453, 570, 722, 755, 855, 906, 1083, 1359, 1510, 1710, 1805, 2166, 2265, 2718, 2869, 3249, 3610, 4530, 5415, 5738, 6498, 6795, 8607, 10830, 13590, 14345, 16245, 17214, 25821, 28690, 32490, 43035, 51642, 54511, 86070, 109022, 129105, 163533, 258210, 272555, 327066, 490599, 545110, 817665, 981198, 1635330, 2452995, 4905990]

約数ペア:

[(1, 4905990), (2, 2452995), (3, 1635330), (5, 981198), (6, 817665), (9, 545110), (10, 490599), (15, 327066), (18, 272555), (19, 258210), (30, 163533), (38, 129105), (45, 109022), (57, 86070), (90, 54511), (95, 51642), (114, 43035), (151, 32490), (171, 28690), (190, 25821), (285, 17214), (302, 16245), (342, 14345), (361, 13590), (453, 10830), (570, 8607), (722, 6795), (755, 6498), (855, 5738), (906, 5415), (1083, 4530), (1359, 3610), (1510, 3249), (1710, 2869), (1805, 2718), (2166, 2265)]