972223540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{89}}^2$

素因数の和:242

約数の個数: 108

約数和(自身を含む): 2307456396

約数和(自身を除く): 1335232856

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 89, 95, 170, 178, 190, 323, 340, 356, 361, 380, 445, 646, 722, 890, 1292, 1444, 1513, 1615, 1691, 1780, 1805, 3026, 3230, 3382, 3610, 6052, 6137, 6460, 6764, 7220, 7565, 7921, 8455, 12274, 15130, 15842, 16910, 24548, 28747, 30260, 30685, 31684, 32129, 33820, 39605, 57494, 61370, 64258, 79210, 114988, 122740, 128516, 134657, 143735, 150499, 158420, 160645, 269314, 287470, 300998, 321290, 538628, 546193, 574940, 601996, 642580, 673285, 752495, 1092386, 1346570, 1504990, 2184772, 2558483, 2693140, 2730965, 2859481, 3009980, 5116966, 5461930, 5718962, 10233932, 10923860, 11437924, 12792415, 14297405, 25584830, 28594810, 48611177, 51169660, 57189620, 97222354, 194444708, 243055885, 486111770, 972223540]

約数ペア:

[(1, 972223540), (2, 486111770), (4, 243055885), (5, 194444708), (10, 97222354), (17, 57189620), (19, 51169660), (20, 48611177), (34, 28594810), (38, 25584830), (68, 14297405), (76, 12792415), (85, 11437924), (89, 10923860), (95, 10233932), (170, 5718962), (178, 5461930), (190, 5116966), (323, 3009980), (340, 2859481), (356, 2730965), (361, 2693140), (380, 2558483), (445, 2184772), (646, 1504990), (722, 1346570), (890, 1092386), (1292, 752495), (1444, 673285), (1513, 642580), (1615, 601996), (1691, 574940), (1780, 546193), (1805, 538628), (3026, 321290), (3230, 300998), (3382, 287470), (3610, 269314), (6052, 160645), (6137, 158420), (6460, 150499), (6764, 143735), (7220, 134657), (7565, 128516), (7921, 122740), (8455, 114988), (12274, 79210), (15130, 64258), (15842, 61370), (16910, 57494), (24548, 39605), (28747, 33820), (30260, 32129), (30685, 31684)]