78775340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2593}}^1$

素因数の和:2647

約数の個数: 72

約数和(自身を含む): 198721152

約数和(自身を除く): 119945812

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, 2593, 3038, 4340, 5186, 6076, 7595, 10372, 12965, 15190, 18151, 25930, 30380, 36302, 51860, 72604, 80383, 90755, 127057, 160766, 181510, 254114, 321532, 363020, 401915, 508228, 562681, 635285, 803830, 1125362, 1270570, 1607660, 2250724, 2541140, 2813405, 3938767, 5626810, 7877534, 11253620, 15755068, 19693835, 39387670, 78775340]

約数ペア:

[(1, 78775340), (2, 39387670), (4, 19693835), (5, 15755068), (7, 11253620), (10, 7877534), (14, 5626810), (20, 3938767), (28, 2813405), (31, 2541140), (35, 2250724), (49, 1607660), (62, 1270570), (70, 1125362), (98, 803830), (124, 635285), (140, 562681), (155, 508228), (196, 401915), (217, 363020), (245, 321532), (310, 254114), (434, 181510), (490, 160766), (620, 127057), (868, 90755), (980, 80383), (1085, 72604), (1519, 51860), (2170, 36302), (2593, 30380), (3038, 25930), (4340, 18151), (5186, 15190), (6076, 12965), (7595, 10372)]