2721956860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{89597}}^1$

素因数の和:89651

約数の個数: 72

約数和(自身を含む): 6863923584

約数和(自身を除く): 4141966724

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, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7595, 15190, 30380, 89597, 179194, 358388, 447985, 627179, 895970, 1254358, 1791940, 2508716, 2777507, 3135895, 4390253, 5555014, 6271790, 8780506, 11110028, 12543580, 13887535, 17561012, 19442549, 21951265, 27775070, 38885098, 43902530, 55550140, 77770196, 87805060, 97212745, 136097843, 194425490, 272195686, 388850980, 544391372, 680489215, 1360978430, 2721956860]

約数ペア:

[(1, 2721956860), (2, 1360978430), (4, 680489215), (5, 544391372), (7, 388850980), (10, 272195686), (14, 194425490), (20, 136097843), (28, 97212745), (31, 87805060), (35, 77770196), (49, 55550140), (62, 43902530), (70, 38885098), (98, 27775070), (124, 21951265), (140, 19442549), (155, 17561012), (196, 13887535), (217, 12543580), (245, 11110028), (310, 8780506), (434, 6271790), (490, 5555014), (620, 4390253), (868, 3135895), (980, 2777507), (1085, 2508716), (1519, 1791940), (2170, 1254358), (3038, 895970), (4340, 627179), (6076, 447985), (7595, 358388), (15190, 179194), (30380, 89597)]