28685850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{199}}^1$

素因数の和:276

約数の個数: 72

約数和(自身を含む): 73879200

約数和(自身を除く): 45193350

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 150, 155, 186, 199, 310, 398, 465, 597, 775, 930, 961, 995, 1194, 1550, 1922, 1990, 2325, 2883, 2985, 4650, 4805, 4975, 5766, 5970, 6169, 9610, 9950, 12338, 14415, 14925, 18507, 24025, 28830, 29850, 30845, 37014, 48050, 61690, 72075, 92535, 144150, 154225, 185070, 191239, 308450, 382478, 462675, 573717, 925350, 956195, 1147434, 1912390, 2868585, 4780975, 5737170, 9561950, 14342925, 28685850]

約数ペア:

[(1, 28685850), (2, 14342925), (3, 9561950), (5, 5737170), (6, 4780975), (10, 2868585), (15, 1912390), (25, 1147434), (30, 956195), (31, 925350), (50, 573717), (62, 462675), (75, 382478), (93, 308450), (150, 191239), (155, 185070), (186, 154225), (199, 144150), (310, 92535), (398, 72075), (465, 61690), (597, 48050), (775, 37014), (930, 30845), (961, 29850), (995, 28830), (1194, 24025), (1550, 18507), (1922, 14925), (1990, 14415), (2325, 12338), (2883, 9950), (2985, 9610), (4650, 6169), (4805, 5970), (4975, 5766)]