38126920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 103420800

約数和(自身を除く): 65293880

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 85, 95, 104, 130, 136, 152, 170, 190, 221, 227, 247, 260, 323, 340, 380, 442, 454, 494, 520, 646, 680, 760, 884, 908, 988, 1105, 1135, 1235, 1292, 1615, 1768, 1816, 1976, 2210, 2270, 2470, 2584, 2951, 3230, 3859, 4199, 4313, 4420, 4540, 4940, 5902, 6460, 7718, 8398, 8626, 8840, 9080, 9880, 11804, 12920, 14755, 15436, 16796, 17252, 19295, 20995, 21565, 23608, 29510, 30872, 33592, 34504, 38590, 41990, 43130, 50167, 56069, 59020, 73321, 77180, 83980, 86260, 100334, 112138, 118040, 146642, 154360, 167960, 172520, 200668, 224276, 250835, 280345, 293284, 366605, 401336, 448552, 501670, 560690, 586568, 733210, 953173, 1003340, 1121380, 1466420, 1906346, 2006680, 2242760, 2932840, 3812692, 4765865, 7625384, 9531730, 19063460, 38126920]

約数ペア:

[(1, 38126920), (2, 19063460), (4, 9531730), (5, 7625384), (8, 4765865), (10, 3812692), (13, 2932840), (17, 2242760), (19, 2006680), (20, 1906346), (26, 1466420), (34, 1121380), (38, 1003340), (40, 953173), (52, 733210), (65, 586568), (68, 560690), (76, 501670), (85, 448552), (95, 401336), (104, 366605), (130, 293284), (136, 280345), (152, 250835), (170, 224276), (190, 200668), (221, 172520), (227, 167960), (247, 154360), (260, 146642), (323, 118040), (340, 112138), (380, 100334), (442, 86260), (454, 83980), (494, 77180), (520, 73321), (646, 59020), (680, 56069), (760, 50167), (884, 43130), (908, 41990), (988, 38590), (1105, 34504), (1135, 33592), (1235, 30872), (1292, 29510), (1615, 23608), (1768, 21565), (1816, 20995), (1976, 19295), (2210, 17252), (2270, 16796), (2470, 15436), (2584, 14755), (2951, 12920), (3230, 11804), (3859, 9880), (4199, 9080), (4313, 8840), (4420, 8626), (4540, 8398), (4940, 7718), (5902, 6460)]