22221990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{5039}}^1$

素因数の和:5066

約数の個数: 72

約数和(自身を含む): 67223520

約数和(自身を除く): 45001530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 5039, 10078, 15117, 25195, 30234, 35273, 45351, 50390, 70546, 75585, 90702, 105819, 151170, 176365, 211638, 226755, 246911, 317457, 352730, 453510, 493822, 529095, 634914, 740733, 1058190, 1234555, 1481466, 1587285, 2222199, 2469110, 3174570, 3703665, 4444398, 7407330, 11110995, 22221990]

約数ペア:

[(1, 22221990), (2, 11110995), (3, 7407330), (5, 4444398), (6, 3703665), (7, 3174570), (9, 2469110), (10, 2222199), (14, 1587285), (15, 1481466), (18, 1234555), (21, 1058190), (30, 740733), (35, 634914), (42, 529095), (45, 493822), (49, 453510), (63, 352730), (70, 317457), (90, 246911), (98, 226755), (105, 211638), (126, 176365), (147, 151170), (210, 105819), (245, 90702), (294, 75585), (315, 70546), (441, 50390), (490, 45351), (630, 35273), (735, 30234), (882, 25195), (1470, 15117), (2205, 10078), (4410, 5039)]