218888930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3853}}^1$

素因数の和:3915

約数の個数: 64

約数和(自身を含む): 466179840

約数和(自身を除く): 247290910

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 38, 46, 65, 95, 115, 130, 190, 230, 247, 299, 437, 494, 598, 874, 1235, 1495, 2185, 2470, 2990, 3853, 4370, 5681, 7706, 11362, 19265, 28405, 38530, 50089, 56810, 73207, 88619, 100178, 146414, 177238, 250445, 366035, 443095, 500890, 732070, 886190, 951691, 1152047, 1683761, 1903382, 2304094, 3367522, 4758455, 5760235, 8418805, 9516910, 11520470, 16837610, 21888893, 43777786, 109444465, 218888930]

約数ペア:

[(1, 218888930), (2, 109444465), (5, 43777786), (10, 21888893), (13, 16837610), (19, 11520470), (23, 9516910), (26, 8418805), (38, 5760235), (46, 4758455), (65, 3367522), (95, 2304094), (115, 1903382), (130, 1683761), (190, 1152047), (230, 951691), (247, 886190), (299, 732070), (437, 500890), (494, 443095), (598, 366035), (874, 250445), (1235, 177238), (1495, 146414), (2185, 100178), (2470, 88619), (2990, 73207), (3853, 56810), (4370, 50089), (5681, 38530), (7706, 28405), (11362, 19265)]