289674420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:390

約数の個数: 192

約数和(自身を含む): 978518016

約数和(自身を除く): 688843596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 157, 161, 191, 210, 230, 276, 314, 322, 345, 382, 420, 460, 471, 483, 573, 628, 644, 690, 764, 785, 805, 942, 955, 966, 1099, 1146, 1337, 1380, 1570, 1610, 1884, 1910, 1932, 2198, 2292, 2355, 2415, 2674, 2865, 3140, 3220, 3297, 3611, 3820, 4011, 4393, 4396, 4710, 4830, 5348, 5495, 5730, 6594, 6685, 7222, 8022, 8786, 9420, 9660, 10833, 10990, 11460, 13179, 13188, 13370, 14444, 16044, 16485, 17572, 18055, 20055, 21666, 21965, 21980, 25277, 26358, 26740, 29987, 30751, 32970, 36110, 40110, 43332, 43930, 50554, 52716, 54165, 59974, 61502, 65895, 65940, 72220, 75831, 80220, 87860, 89961, 92253, 101108, 108330, 119948, 123004, 126385, 131790, 149935, 151662, 153755, 179922, 184506, 209909, 216660, 252770, 263580, 299870, 303324, 307510, 359844, 369012, 379155, 419818, 449805, 461265, 505540, 599740, 615020, 629727, 689701, 758310, 839636, 899610, 922530, 1049545, 1259454, 1379402, 1516620, 1799220, 1845060, 2069103, 2099090, 2518908, 2758804, 3148635, 3448505, 4138206, 4198180, 4827907, 6297270, 6897010, 8276412, 9655814, 10345515, 12594540, 13794020, 14483721, 19311628, 20691030, 24139535, 28967442, 41382060, 48279070, 57934884, 72418605, 96558140, 144837210, 289674420]

約数ペア:

[(1, 289674420), (2, 144837210), (3, 96558140), (4, 72418605), (5, 57934884), (6, 48279070), (7, 41382060), (10, 28967442), (12, 24139535), (14, 20691030), (15, 19311628), (20, 14483721), (21, 13794020), (23, 12594540), (28, 10345515), (30, 9655814), (35, 8276412), (42, 6897010), (46, 6297270), (60, 4827907), (69, 4198180), (70, 4138206), (84, 3448505), (92, 3148635), (105, 2758804), (115, 2518908), (138, 2099090), (140, 2069103), (157, 1845060), (161, 1799220), (191, 1516620), (210, 1379402), (230, 1259454), (276, 1049545), (314, 922530), (322, 899610), (345, 839636), (382, 758310), (420, 689701), (460, 629727), (471, 615020), (483, 599740), (573, 505540), (628, 461265), (644, 449805), (690, 419818), (764, 379155), (785, 369012), (805, 359844), (942, 307510), (955, 303324), (966, 299870), (1099, 263580), (1146, 252770), (1337, 216660), (1380, 209909), (1570, 184506), (1610, 179922), (1884, 153755), (1910, 151662), (1932, 149935), (2198, 131790), (2292, 126385), (2355, 123004), (2415, 119948), (2674, 108330), (2865, 101108), (3140, 92253), (3220, 89961), (3297, 87860), (3611, 80220), (3820, 75831), (4011, 72220), (4393, 65940), (4396, 65895), (4710, 61502), (4830, 59974), (5348, 54165), (5495, 52716), (5730, 50554), (6594, 43930), (6685, 43332), (7222, 40110), (8022, 36110), (8786, 32970), (9420, 30751), (9660, 29987), (10833, 26740), (10990, 26358), (11460, 25277), (13179, 21980), (13188, 21965), (13370, 21666), (14444, 20055), (16044, 18055), (16485, 17572)]