31310860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 80640000

約数和(自身を除く): 49329140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 79, 95, 133, 140, 149, 158, 190, 266, 298, 316, 380, 395, 532, 553, 596, 665, 745, 790, 1043, 1106, 1330, 1490, 1501, 1580, 2086, 2212, 2660, 2765, 2831, 2980, 3002, 4172, 5215, 5530, 5662, 6004, 7505, 10430, 10507, 11060, 11324, 11771, 14155, 15010, 19817, 20860, 21014, 23542, 28310, 30020, 39634, 42028, 47084, 52535, 56620, 58855, 79268, 82397, 99085, 105070, 117710, 164794, 198170, 210140, 223649, 235420, 329588, 396340, 411985, 447298, 823970, 894596, 1118245, 1565543, 1647940, 2236490, 3131086, 4472980, 6262172, 7827715, 15655430, 31310860]

約数ペア:

[(1, 31310860), (2, 15655430), (4, 7827715), (5, 6262172), (7, 4472980), (10, 3131086), (14, 2236490), (19, 1647940), (20, 1565543), (28, 1118245), (35, 894596), (38, 823970), (70, 447298), (76, 411985), (79, 396340), (95, 329588), (133, 235420), (140, 223649), (149, 210140), (158, 198170), (190, 164794), (266, 117710), (298, 105070), (316, 99085), (380, 82397), (395, 79268), (532, 58855), (553, 56620), (596, 52535), (665, 47084), (745, 42028), (790, 39634), (1043, 30020), (1106, 28310), (1330, 23542), (1490, 21014), (1501, 20860), (1580, 19817), (2086, 15010), (2212, 14155), (2660, 11771), (2765, 11324), (2831, 11060), (2980, 10507), (3002, 10430), (4172, 7505), (5215, 6004), (5530, 5662)]