84245620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 195955200

約数和(自身を除く): 111709580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 53, 76, 89, 94, 95, 106, 178, 188, 190, 212, 235, 265, 356, 380, 445, 470, 530, 890, 893, 940, 1007, 1060, 1691, 1780, 1786, 2014, 2491, 3382, 3572, 4028, 4183, 4465, 4717, 4982, 5035, 6764, 8366, 8455, 8930, 9434, 9964, 10070, 12455, 16732, 16910, 17860, 18868, 20140, 20915, 23585, 24910, 33820, 41830, 47170, 47329, 49820, 79477, 83660, 89623, 94340, 94658, 158954, 179246, 189316, 221699, 236645, 317908, 358492, 397385, 443398, 448115, 473290, 794770, 886796, 896230, 946580, 1108495, 1589540, 1792460, 2216990, 4212281, 4433980, 8424562, 16849124, 21061405, 42122810, 84245620]

約数ペア:

[(1, 84245620), (2, 42122810), (4, 21061405), (5, 16849124), (10, 8424562), (19, 4433980), (20, 4212281), (38, 2216990), (47, 1792460), (53, 1589540), (76, 1108495), (89, 946580), (94, 896230), (95, 886796), (106, 794770), (178, 473290), (188, 448115), (190, 443398), (212, 397385), (235, 358492), (265, 317908), (356, 236645), (380, 221699), (445, 189316), (470, 179246), (530, 158954), (890, 94658), (893, 94340), (940, 89623), (1007, 83660), (1060, 79477), (1691, 49820), (1780, 47329), (1786, 47170), (2014, 41830), (2491, 33820), (3382, 24910), (3572, 23585), (4028, 20915), (4183, 20140), (4465, 18868), (4717, 17860), (4982, 16910), (5035, 16732), (6764, 12455), (8366, 10070), (8455, 9964), (8930, 9434)]