211856460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{9781}}^1$

素因数の和:9831

約数の個数: 72

約数和(自身を含む): 626126256

約数和(自身を除く): 414269796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 1083, 1140, 1444, 1805, 2166, 3610, 4332, 5415, 7220, 9781, 10830, 19562, 21660, 29343, 39124, 48905, 58686, 97810, 117372, 146715, 185839, 195620, 293430, 371678, 557517, 586860, 743356, 929195, 1115034, 1858390, 2230068, 2787585, 3530941, 3716780, 5575170, 7061882, 10592823, 11150340, 14123764, 17654705, 21185646, 35309410, 42371292, 52964115, 70618820, 105928230, 211856460]

約数ペア:

[(1, 211856460), (2, 105928230), (3, 70618820), (4, 52964115), (5, 42371292), (6, 35309410), (10, 21185646), (12, 17654705), (15, 14123764), (19, 11150340), (20, 10592823), (30, 7061882), (38, 5575170), (57, 3716780), (60, 3530941), (76, 2787585), (95, 2230068), (114, 1858390), (190, 1115034), (228, 929195), (285, 743356), (361, 586860), (380, 557517), (570, 371678), (722, 293430), (1083, 195620), (1140, 185839), (1444, 146715), (1805, 117372), (2166, 97810), (3610, 58686), (4332, 48905), (5415, 39124), (7220, 29343), (9781, 21660), (10830, 19562)]