388331880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{941}}^1$

素因数の和:1155

約数の個数: 128

約数和(自身を含む): 1234396800

約数和(自身を除く): 846064920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 181, 190, 228, 285, 362, 380, 456, 543, 570, 724, 760, 905, 941, 1086, 1140, 1448, 1810, 1882, 2172, 2280, 2715, 2823, 3439, 3620, 3764, 4344, 4705, 5430, 5646, 6878, 7240, 7528, 9410, 10317, 10860, 11292, 13756, 14115, 17195, 17879, 18820, 20634, 21720, 22584, 27512, 28230, 34390, 35758, 37640, 41268, 51585, 53637, 56460, 68780, 71516, 82536, 89395, 103170, 107274, 112920, 137560, 143032, 170321, 178790, 206340, 214548, 268185, 340642, 357580, 412680, 429096, 510963, 536370, 681284, 715160, 851605, 1021926, 1072740, 1362568, 1703210, 2043852, 2145480, 2554815, 3236099, 3406420, 4087704, 5109630, 6472198, 6812840, 9708297, 10219260, 12944396, 16180495, 19416594, 20438520, 25888792, 32360990, 38833188, 48541485, 64721980, 77666376, 97082970, 129443960, 194165940, 388331880]

約数ペア:

[(1, 388331880), (2, 194165940), (3, 129443960), (4, 97082970), (5, 77666376), (6, 64721980), (8, 48541485), (10, 38833188), (12, 32360990), (15, 25888792), (19, 20438520), (20, 19416594), (24, 16180495), (30, 12944396), (38, 10219260), (40, 9708297), (57, 6812840), (60, 6472198), (76, 5109630), (95, 4087704), (114, 3406420), (120, 3236099), (152, 2554815), (181, 2145480), (190, 2043852), (228, 1703210), (285, 1362568), (362, 1072740), (380, 1021926), (456, 851605), (543, 715160), (570, 681284), (724, 536370), (760, 510963), (905, 429096), (941, 412680), (1086, 357580), (1140, 340642), (1448, 268185), (1810, 214548), (1882, 206340), (2172, 178790), (2280, 170321), (2715, 143032), (2823, 137560), (3439, 112920), (3620, 107274), (3764, 103170), (4344, 89395), (4705, 82536), (5430, 71516), (5646, 68780), (6878, 56460), (7240, 53637), (7528, 51585), (9410, 41268), (10317, 37640), (10860, 35758), (11292, 34390), (13756, 28230), (14115, 27512), (17195, 22584), (17879, 21720), (18820, 20634)]