16617860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:601

約数の個数: 72

約数和(自身を含む): 41981184

約数和(自身を除く): 25363324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 547, 620, 868, 980, 1085, 1094, 1519, 2170, 2188, 2735, 3038, 3829, 4340, 5470, 6076, 7595, 7658, 10940, 15190, 15316, 16957, 19145, 26803, 30380, 33914, 38290, 53606, 67828, 76580, 84785, 107212, 118699, 134015, 169570, 237398, 268030, 339140, 474796, 536060, 593495, 830893, 1186990, 1661786, 2373980, 3323572, 4154465, 8308930, 16617860]

約数ペア:

[(1, 16617860), (2, 8308930), (4, 4154465), (5, 3323572), (7, 2373980), (10, 1661786), (14, 1186990), (20, 830893), (28, 593495), (31, 536060), (35, 474796), (49, 339140), (62, 268030), (70, 237398), (98, 169570), (124, 134015), (140, 118699), (155, 107212), (196, 84785), (217, 76580), (245, 67828), (310, 53606), (434, 38290), (490, 33914), (547, 30380), (620, 26803), (868, 19145), (980, 16957), (1085, 15316), (1094, 15190), (1519, 10940), (2170, 7658), (2188, 7595), (2735, 6076), (3038, 5470), (3829, 4340)]