28827990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 78343200

約数和(自身を除く): 49515210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 59, 61, 89, 90, 118, 122, 177, 178, 183, 267, 295, 305, 354, 366, 445, 531, 534, 549, 590, 610, 801, 885, 890, 915, 1062, 1098, 1335, 1602, 1770, 1830, 2655, 2670, 2745, 3599, 4005, 5251, 5310, 5429, 5490, 7198, 8010, 10502, 10797, 10858, 15753, 16287, 17995, 21594, 26255, 27145, 31506, 32391, 32574, 35990, 47259, 48861, 52510, 53985, 54290, 64782, 78765, 81435, 94518, 97722, 107970, 157530, 161955, 162870, 236295, 244305, 320311, 323910, 472590, 488610, 640622, 960933, 1601555, 1921866, 2882799, 3203110, 4804665, 5765598, 9609330, 14413995, 28827990]

約数ペア:

[(1, 28827990), (2, 14413995), (3, 9609330), (5, 5765598), (6, 4804665), (9, 3203110), (10, 2882799), (15, 1921866), (18, 1601555), (30, 960933), (45, 640622), (59, 488610), (61, 472590), (89, 323910), (90, 320311), (118, 244305), (122, 236295), (177, 162870), (178, 161955), (183, 157530), (267, 107970), (295, 97722), (305, 94518), (354, 81435), (366, 78765), (445, 64782), (531, 54290), (534, 53985), (549, 52510), (590, 48861), (610, 47259), (801, 35990), (885, 32574), (890, 32391), (915, 31506), (1062, 27145), (1098, 26255), (1335, 21594), (1602, 17995), (1770, 16287), (1830, 15753), (2655, 10858), (2670, 10797), (2745, 10502), (3599, 8010), (4005, 7198), (5251, 5490), (5310, 5429)]