31388910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:318

約数の個数: 96

約数和(自身を含む): 88843392

約数和(自身を除く): 57454482

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 131, 147, 163, 210, 245, 262, 294, 326, 393, 489, 490, 655, 735, 786, 815, 917, 978, 1141, 1310, 1470, 1630, 1834, 1965, 2282, 2445, 2751, 3423, 3930, 4585, 4890, 5502, 5705, 6419, 6846, 7987, 9170, 11410, 12838, 13755, 15974, 17115, 19257, 21353, 23961, 27510, 32095, 34230, 38514, 39935, 42706, 47922, 64059, 64190, 79870, 96285, 106765, 119805, 128118, 149471, 192570, 213530, 239610, 298942, 320295, 448413, 640590, 747355, 896826, 1046297, 1494710, 2092594, 2242065, 3138891, 4484130, 5231485, 6277782, 10462970, 15694455, 31388910]

約数ペア:

[(1, 31388910), (2, 15694455), (3, 10462970), (5, 6277782), (6, 5231485), (7, 4484130), (10, 3138891), (14, 2242065), (15, 2092594), (21, 1494710), (30, 1046297), (35, 896826), (42, 747355), (49, 640590), (70, 448413), (98, 320295), (105, 298942), (131, 239610), (147, 213530), (163, 192570), (210, 149471), (245, 128118), (262, 119805), (294, 106765), (326, 96285), (393, 79870), (489, 64190), (490, 64059), (655, 47922), (735, 42706), (786, 39935), (815, 38514), (917, 34230), (978, 32095), (1141, 27510), (1310, 23961), (1470, 21353), (1630, 19257), (1834, 17115), (1965, 15974), (2282, 13755), (2445, 12838), (2751, 11410), (3423, 9170), (3930, 7987), (4585, 6846), (4890, 6419), (5502, 5705)]