2820123450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{661}}^1$

素因数の和:1197

約数の個数: 144

約数和(自身を含む): 8003580000

約数和(自身を除く): 5183456550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 114, 150, 171, 190, 225, 285, 342, 450, 475, 499, 570, 661, 855, 950, 998, 1322, 1425, 1497, 1710, 1983, 2495, 2850, 2994, 3305, 3966, 4275, 4491, 4990, 5949, 6610, 7485, 8550, 8982, 9481, 9915, 11898, 12475, 12559, 14970, 16525, 18962, 19830, 22455, 24950, 25118, 28443, 29745, 33050, 37425, 37677, 44910, 47405, 49575, 56886, 59490, 62795, 74850, 75354, 85329, 94810, 99150, 112275, 113031, 125590, 142215, 148725, 170658, 188385, 224550, 226062, 237025, 284430, 297450, 313975, 329839, 376770, 426645, 474050, 565155, 627950, 659678, 711075, 853290, 941925, 989517, 1130310, 1422150, 1649195, 1883850, 1979034, 2133225, 2825775, 2968551, 3298390, 4266450, 4947585, 5651550, 5937102, 6266941, 8245975, 9895170, 12533882, 14842755, 16491950, 18800823, 24737925, 29685510, 31334705, 37601646, 49475850, 56402469, 62669410, 74213775, 94004115, 112804938, 148427550, 156673525, 188008230, 282012345, 313347050, 470020575, 564024690, 940041150, 1410061725, 2820123450]

約数ペア:

[(1, 2820123450), (2, 1410061725), (3, 940041150), (5, 564024690), (6, 470020575), (9, 313347050), (10, 282012345), (15, 188008230), (18, 156673525), (19, 148427550), (25, 112804938), (30, 94004115), (38, 74213775), (45, 62669410), (50, 56402469), (57, 49475850), (75, 37601646), (90, 31334705), (95, 29685510), (114, 24737925), (150, 18800823), (171, 16491950), (190, 14842755), (225, 12533882), (285, 9895170), (342, 8245975), (450, 6266941), (475, 5937102), (499, 5651550), (570, 4947585), (661, 4266450), (855, 3298390), (950, 2968551), (998, 2825775), (1322, 2133225), (1425, 1979034), (1497, 1883850), (1710, 1649195), (1983, 1422150), (2495, 1130310), (2850, 989517), (2994, 941925), (3305, 853290), (3966, 711075), (4275, 659678), (4491, 627950), (4990, 565155), (5949, 474050), (6610, 426645), (7485, 376770), (8550, 329839), (8982, 313975), (9481, 297450), (9915, 284430), (11898, 237025), (12475, 226062), (12559, 224550), (14970, 188385), (16525, 170658), (18962, 148725), (19830, 142215), (22455, 125590), (24950, 113031), (25118, 112275), (28443, 99150), (29745, 94810), (33050, 85329), (37425, 75354), (37677, 74850), (44910, 62795), (47405, 59490), (49575, 56886)]