197890140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1031}}^1$

素因数の和:1507

約数の個数: 96

約数和(自身を含む): 635249664

約数和(自身を除く): 437359524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 457, 914, 1031, 1371, 1828, 2062, 2285, 2742, 3093, 3199, 4124, 4570, 5155, 5484, 6186, 6398, 6855, 7217, 9140, 9597, 10310, 12372, 12796, 13710, 14434, 15465, 15995, 19194, 20620, 21651, 27420, 28868, 30930, 31990, 36085, 38388, 43302, 47985, 61860, 63980, 72170, 86604, 95970, 108255, 144340, 191940, 216510, 433020, 471167, 942334, 1413501, 1884668, 2355835, 2827002, 3298169, 4711670, 5654004, 6596338, 7067505, 9423340, 9894507, 13192676, 14135010, 16490845, 19789014, 28270020, 32981690, 39578028, 49472535, 65963380, 98945070, 197890140]

約数ペア:

[(1, 197890140), (2, 98945070), (3, 65963380), (4, 49472535), (5, 39578028), (6, 32981690), (7, 28270020), (10, 19789014), (12, 16490845), (14, 14135010), (15, 13192676), (20, 9894507), (21, 9423340), (28, 7067505), (30, 6596338), (35, 5654004), (42, 4711670), (60, 3298169), (70, 2827002), (84, 2355835), (105, 1884668), (140, 1413501), (210, 942334), (420, 471167), (457, 433020), (914, 216510), (1031, 191940), (1371, 144340), (1828, 108255), (2062, 95970), (2285, 86604), (2742, 72170), (3093, 63980), (3199, 61860), (4124, 47985), (4570, 43302), (5155, 38388), (5484, 36085), (6186, 31990), (6398, 30930), (6855, 28868), (7217, 27420), (9140, 21651), (9597, 20620), (10310, 19194), (12372, 15995), (12796, 15465), (13710, 14434)]