202013980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:659

約数の個数: 96

約数和(自身を含む): 507064320

約数和(自身を除く): 305050340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 89, 124, 140, 155, 178, 217, 310, 356, 434, 445, 523, 620, 623, 868, 890, 1046, 1085, 1246, 1780, 2092, 2170, 2492, 2615, 2759, 3115, 3661, 4340, 5230, 5518, 6230, 7322, 10460, 11036, 12460, 13795, 14644, 16213, 18305, 19313, 27590, 32426, 36610, 38626, 46547, 55180, 64852, 73220, 77252, 81065, 93094, 96565, 113491, 162130, 186188, 193130, 226982, 232735, 324260, 325829, 386260, 453964, 465470, 567455, 651658, 930940, 1134910, 1303316, 1442957, 1629145, 2269820, 2885914, 3258290, 5771828, 6516580, 7214785, 10100699, 14429570, 20201398, 28859140, 40402796, 50503495, 101006990, 202013980]

約数ペア:

[(1, 202013980), (2, 101006990), (4, 50503495), (5, 40402796), (7, 28859140), (10, 20201398), (14, 14429570), (20, 10100699), (28, 7214785), (31, 6516580), (35, 5771828), (62, 3258290), (70, 2885914), (89, 2269820), (124, 1629145), (140, 1442957), (155, 1303316), (178, 1134910), (217, 930940), (310, 651658), (356, 567455), (434, 465470), (445, 453964), (523, 386260), (620, 325829), (623, 324260), (868, 232735), (890, 226982), (1046, 193130), (1085, 186188), (1246, 162130), (1780, 113491), (2092, 96565), (2170, 93094), (2492, 81065), (2615, 77252), (2759, 73220), (3115, 64852), (3661, 55180), (4340, 46547), (5230, 38626), (5518, 36610), (6230, 32426), (7322, 27590), (10460, 19313), (11036, 18305), (12460, 16213), (13795, 14644)]