254896020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74531}}^1$

素因数の和:74565

約数の個数: 72

約数和(自身を含む): 813889440

約数和(自身を除く): 558993420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 74531, 149062, 223593, 298124, 372655, 447186, 670779, 745310, 894372, 1117965, 1341558, 1416089, 1490620, 2235930, 2683116, 2832178, 3353895, 4248267, 4471860, 5664356, 6707790, 7080445, 8496534, 12744801, 13415580, 14160890, 16993068, 21241335, 25489602, 28321780, 42482670, 50979204, 63724005, 84965340, 127448010, 254896020]

約数ペア:

[(1, 254896020), (2, 127448010), (3, 84965340), (4, 63724005), (5, 50979204), (6, 42482670), (9, 28321780), (10, 25489602), (12, 21241335), (15, 16993068), (18, 14160890), (19, 13415580), (20, 12744801), (30, 8496534), (36, 7080445), (38, 6707790), (45, 5664356), (57, 4471860), (60, 4248267), (76, 3353895), (90, 2832178), (95, 2683116), (114, 2235930), (171, 1490620), (180, 1416089), (190, 1341558), (228, 1117965), (285, 894372), (342, 745310), (380, 670779), (570, 447186), (684, 372655), (855, 298124), (1140, 223593), (1710, 149062), (3420, 74531)]