28978200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{947}}^1$

素因数の和:986

約数の個数: 144

約数和(自身を含む): 103151880

約数和(自身を除く): 74173680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 25, 30, 34, 36, 40, 45, 50, 51, 60, 68, 72, 75, 85, 90, 100, 102, 120, 136, 150, 153, 170, 180, 200, 204, 225, 255, 300, 306, 340, 360, 408, 425, 450, 510, 600, 612, 680, 765, 850, 900, 947, 1020, 1224, 1275, 1530, 1700, 1800, 1894, 2040, 2550, 2841, 3060, 3400, 3788, 3825, 4735, 5100, 5682, 6120, 7576, 7650, 8523, 9470, 10200, 11364, 14205, 15300, 16099, 17046, 18940, 22728, 23675, 28410, 30600, 32198, 34092, 37880, 42615, 47350, 48297, 56820, 64396, 68184, 71025, 80495, 85230, 94700, 96594, 113640, 128792, 142050, 144891, 160990, 170460, 189400, 193188, 213075, 241485, 284100, 289782, 321980, 340920, 386376, 402475, 426150, 482970, 568200, 579564, 643960, 724455, 804950, 852300, 965940, 1159128, 1207425, 1448910, 1609900, 1704600, 1931880, 2414850, 2897820, 3219800, 3622275, 4829700, 5795640, 7244550, 9659400, 14489100, 28978200]

約数ペア:

[(1, 28978200), (2, 14489100), (3, 9659400), (4, 7244550), (5, 5795640), (6, 4829700), (8, 3622275), (9, 3219800), (10, 2897820), (12, 2414850), (15, 1931880), (17, 1704600), (18, 1609900), (20, 1448910), (24, 1207425), (25, 1159128), (30, 965940), (34, 852300), (36, 804950), (40, 724455), (45, 643960), (50, 579564), (51, 568200), (60, 482970), (68, 426150), (72, 402475), (75, 386376), (85, 340920), (90, 321980), (100, 289782), (102, 284100), (120, 241485), (136, 213075), (150, 193188), (153, 189400), (170, 170460), (180, 160990), (200, 144891), (204, 142050), (225, 128792), (255, 113640), (300, 96594), (306, 94700), (340, 85230), (360, 80495), (408, 71025), (425, 68184), (450, 64396), (510, 56820), (600, 48297), (612, 47350), (680, 42615), (765, 37880), (850, 34092), (900, 32198), (947, 30600), (1020, 28410), (1224, 23675), (1275, 22728), (1530, 18940), (1700, 17046), (1800, 16099), (1894, 15300), (2040, 14205), (2550, 11364), (2841, 10200), (3060, 9470), (3400, 8523), (3788, 7650), (3825, 7576), (4735, 6120), (5100, 5682)]