42274390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 81076464

約数和(自身を除く): 38802074

約数列:

[1, 2, 5, 10, 31, 53, 62, 83, 106, 155, 166, 265, 310, 415, 530, 830, 961, 1643, 1922, 2573, 3286, 4399, 4805, 5146, 8215, 8798, 9610, 12865, 16430, 21995, 25730, 43990, 50933, 79763, 101866, 136369, 159526, 254665, 272738, 398815, 509330, 681845, 797630, 1363690, 4227439, 8454878, 21137195, 42274390]

約数ペア:

[(1, 42274390), (2, 21137195), (5, 8454878), (10, 4227439), (31, 1363690), (53, 797630), (62, 681845), (83, 509330), (106, 398815), (155, 272738), (166, 254665), (265, 159526), (310, 136369), (415, 101866), (530, 79763), (830, 50933), (961, 43990), (1643, 25730), (1922, 21995), (2573, 16430), (3286, 12865), (4399, 9610), (4805, 8798), (5146, 8215)]