28859100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 90410880

約数和(自身を除く): 61551780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 61, 75, 76, 83, 95, 100, 114, 122, 150, 166, 183, 190, 228, 244, 249, 285, 300, 305, 332, 366, 380, 415, 475, 498, 570, 610, 732, 830, 915, 950, 996, 1140, 1159, 1220, 1245, 1425, 1525, 1577, 1660, 1830, 1900, 2075, 2318, 2490, 2850, 3050, 3154, 3477, 3660, 4150, 4575, 4636, 4731, 4980, 5063, 5700, 5795, 6100, 6225, 6308, 6954, 7885, 8300, 9150, 9462, 10126, 11590, 12450, 13908, 15189, 15770, 17385, 18300, 18924, 20252, 23180, 23655, 24900, 25315, 28975, 30378, 31540, 34770, 39425, 47310, 50630, 57950, 60756, 69540, 75945, 78850, 86925, 94620, 96197, 101260, 115900, 118275, 126575, 151890, 157700, 173850, 192394, 236550, 253150, 288591, 303780, 347700, 379725, 384788, 473100, 480985, 506300, 577182, 759450, 961970, 1154364, 1442955, 1518900, 1923940, 2404925, 2885910, 4809850, 5771820, 7214775, 9619700, 14429550, 28859100]

約数ペア:

[(1, 28859100), (2, 14429550), (3, 9619700), (4, 7214775), (5, 5771820), (6, 4809850), (10, 2885910), (12, 2404925), (15, 1923940), (19, 1518900), (20, 1442955), (25, 1154364), (30, 961970), (38, 759450), (50, 577182), (57, 506300), (60, 480985), (61, 473100), (75, 384788), (76, 379725), (83, 347700), (95, 303780), (100, 288591), (114, 253150), (122, 236550), (150, 192394), (166, 173850), (183, 157700), (190, 151890), (228, 126575), (244, 118275), (249, 115900), (285, 101260), (300, 96197), (305, 94620), (332, 86925), (366, 78850), (380, 75945), (415, 69540), (475, 60756), (498, 57950), (570, 50630), (610, 47310), (732, 39425), (830, 34770), (915, 31540), (950, 30378), (996, 28975), (1140, 25315), (1159, 24900), (1220, 23655), (1245, 23180), (1425, 20252), (1525, 18924), (1577, 18300), (1660, 17385), (1830, 15770), (1900, 15189), (2075, 13908), (2318, 12450), (2490, 11590), (2850, 10126), (3050, 9462), (3154, 9150), (3477, 8300), (3660, 7885), (4150, 6954), (4575, 6308), (4636, 6225), (4731, 6100), (4980, 5795), (5063, 5700)]