203478390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{12491}}^1$

素因数の和:12685

約数の個数: 48

約数和(自身を含む): 532009296

約数和(自身を除く): 328530906

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1629, 1810, 2715, 3258, 5430, 8145, 12491, 16290, 24982, 37473, 62455, 74946, 112419, 124910, 187365, 224838, 374730, 562095, 1124190, 2260871, 4521742, 6782613, 11304355, 13565226, 20347839, 22608710, 33913065, 40695678, 67826130, 101739195, 203478390]

約数ペア:

[(1, 203478390), (2, 101739195), (3, 67826130), (5, 40695678), (6, 33913065), (9, 22608710), (10, 20347839), (15, 13565226), (18, 11304355), (30, 6782613), (45, 4521742), (90, 2260871), (181, 1124190), (362, 562095), (543, 374730), (905, 224838), (1086, 187365), (1629, 124910), (1810, 112419), (2715, 74946), (3258, 62455), (5430, 37473), (8145, 24982), (12491, 16290)]