28952140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 73084032

約数和(自身を除く): 44131892

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, 953, 980, 1085, 1519, 1906, 2170, 3038, 3812, 4340, 4765, 6076, 6671, 7595, 9530, 13342, 15190, 19060, 26684, 29543, 30380, 33355, 46697, 59086, 66710, 93394, 118172, 133420, 147715, 186788, 206801, 233485, 295430, 413602, 466970, 590860, 827204, 933940, 1034005, 1447607, 2068010, 2895214, 4136020, 5790428, 7238035, 14476070, 28952140]

約数ペア:

[(1, 28952140), (2, 14476070), (4, 7238035), (5, 5790428), (7, 4136020), (10, 2895214), (14, 2068010), (20, 1447607), (28, 1034005), (31, 933940), (35, 827204), (49, 590860), (62, 466970), (70, 413602), (98, 295430), (124, 233485), (140, 206801), (155, 186788), (196, 147715), (217, 133420), (245, 118172), (310, 93394), (434, 66710), (490, 59086), (620, 46697), (868, 33355), (953, 30380), (980, 29543), (1085, 26684), (1519, 19060), (1906, 15190), (2170, 13342), (3038, 9530), (3812, 7595), (4340, 6671), (4765, 6076)]