287883050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 144

約数和(自身を含む): 688384512

約数和(自身を除く): 400501462

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 31, 35, 50, 62, 65, 70, 91, 130, 155, 157, 169, 175, 182, 217, 310, 314, 325, 338, 350, 403, 434, 455, 650, 775, 785, 806, 845, 910, 1085, 1099, 1183, 1550, 1570, 1690, 2015, 2041, 2170, 2198, 2275, 2366, 2821, 3925, 4030, 4082, 4225, 4550, 4867, 5239, 5425, 5495, 5642, 5915, 7850, 8450, 9734, 10075, 10205, 10478, 10850, 10990, 11830, 14105, 14287, 20150, 20410, 24335, 26195, 26533, 27475, 28210, 28574, 29575, 34069, 36673, 48670, 51025, 52390, 53066, 54950, 59150, 63271, 68138, 70525, 71435, 73346, 102050, 121675, 126542, 130975, 132665, 141050, 142870, 170345, 183365, 185731, 243350, 261950, 265330, 316355, 340690, 357175, 366730, 371462, 442897, 632710, 663325, 714350, 822523, 851725, 885794, 916825, 928655, 1326650, 1581775, 1645046, 1703450, 1833650, 1857310, 2214485, 3163550, 4112615, 4428970, 4643275, 5757661, 8225230, 9286550, 11072425, 11515322, 20563075, 22144850, 28788305, 41126150, 57576610, 143941525, 287883050]

約数ペア:

[(1, 287883050), (2, 143941525), (5, 57576610), (7, 41126150), (10, 28788305), (13, 22144850), (14, 20563075), (25, 11515322), (26, 11072425), (31, 9286550), (35, 8225230), (50, 5757661), (62, 4643275), (65, 4428970), (70, 4112615), (91, 3163550), (130, 2214485), (155, 1857310), (157, 1833650), (169, 1703450), (175, 1645046), (182, 1581775), (217, 1326650), (310, 928655), (314, 916825), (325, 885794), (338, 851725), (350, 822523), (403, 714350), (434, 663325), (455, 632710), (650, 442897), (775, 371462), (785, 366730), (806, 357175), (845, 340690), (910, 316355), (1085, 265330), (1099, 261950), (1183, 243350), (1550, 185731), (1570, 183365), (1690, 170345), (2015, 142870), (2041, 141050), (2170, 132665), (2198, 130975), (2275, 126542), (2366, 121675), (2821, 102050), (3925, 73346), (4030, 71435), (4082, 70525), (4225, 68138), (4550, 63271), (4867, 59150), (5239, 54950), (5425, 53066), (5495, 52390), (5642, 51025), (5915, 48670), (7850, 36673), (8450, 34069), (9734, 29575), (10075, 28574), (10205, 28210), (10478, 27475), (10850, 26533), (10990, 26195), (11830, 24335), (14105, 20410), (14287, 20150)]