29865680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^2$

素因数の和:133

約数の個数: 90

約数和(自身を含む): 76823766

約数和(自身を除く): 46958086

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 169, 188, 208, 235, 260, 338, 376, 470, 520, 611, 676, 752, 845, 940, 1040, 1222, 1352, 1690, 1880, 2209, 2444, 2704, 3055, 3380, 3760, 4418, 4888, 6110, 6760, 7943, 8836, 9776, 11045, 12220, 13520, 15886, 17672, 22090, 24440, 28717, 31772, 35344, 39715, 44180, 48880, 57434, 63544, 79430, 88360, 114868, 127088, 143585, 158860, 176720, 229736, 287170, 317720, 373321, 459472, 574340, 635440, 746642, 1148680, 1493284, 1866605, 2297360, 2986568, 3733210, 5973136, 7466420, 14932840, 29865680]

約数ペア:

[(1, 29865680), (2, 14932840), (4, 7466420), (5, 5973136), (8, 3733210), (10, 2986568), (13, 2297360), (16, 1866605), (20, 1493284), (26, 1148680), (40, 746642), (47, 635440), (52, 574340), (65, 459472), (80, 373321), (94, 317720), (104, 287170), (130, 229736), (169, 176720), (188, 158860), (208, 143585), (235, 127088), (260, 114868), (338, 88360), (376, 79430), (470, 63544), (520, 57434), (611, 48880), (676, 44180), (752, 39715), (845, 35344), (940, 31772), (1040, 28717), (1222, 24440), (1352, 22090), (1690, 17672), (1880, 15886), (2209, 13520), (2444, 12220), (2704, 11045), (3055, 9776), (3380, 8836), (3760, 7943), (4418, 6760), (4888, 6110)]