17346980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 43819776

約数和(自身を除く): 26472796

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, 571, 620, 868, 980, 1085, 1142, 1519, 2170, 2284, 2855, 3038, 3997, 4340, 5710, 6076, 7595, 7994, 11420, 15190, 15988, 17701, 19985, 27979, 30380, 35402, 39970, 55958, 70804, 79940, 88505, 111916, 123907, 139895, 177010, 247814, 279790, 354020, 495628, 559580, 619535, 867349, 1239070, 1734698, 2478140, 3469396, 4336745, 8673490, 17346980]

約数ペア:

[(1, 17346980), (2, 8673490), (4, 4336745), (5, 3469396), (7, 2478140), (10, 1734698), (14, 1239070), (20, 867349), (28, 619535), (31, 559580), (35, 495628), (49, 354020), (62, 279790), (70, 247814), (98, 177010), (124, 139895), (140, 123907), (155, 111916), (196, 88505), (217, 79940), (245, 70804), (310, 55958), (434, 39970), (490, 35402), (571, 30380), (620, 27979), (868, 19985), (980, 17701), (1085, 15988), (1142, 15190), (1519, 11420), (2170, 7994), (2284, 7595), (2855, 6076), (3038, 5710), (3997, 4340)]