397900980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{7649}}^1$

素因数の和:7698

約数の個数: 108

約数和(自身を含む): 1282308300

約数和(自身を除く): 884407320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 289, 306, 340, 510, 578, 612, 765, 867, 1020, 1156, 1445, 1530, 1734, 2601, 2890, 3060, 3468, 4335, 5202, 5780, 7649, 8670, 10404, 13005, 15298, 17340, 22947, 26010, 30596, 38245, 45894, 52020, 68841, 76490, 91788, 114735, 130033, 137682, 152980, 229470, 260066, 275364, 344205, 390099, 458940, 520132, 650165, 688410, 780198, 1170297, 1300330, 1376820, 1560396, 1950495, 2210561, 2340594, 2600660, 3900990, 4421122, 4681188, 5851485, 6631683, 7801980, 8842244, 11052805, 11702970, 13263366, 19895049, 22105610, 23405940, 26526732, 33158415, 39790098, 44211220, 66316830, 79580196, 99475245, 132633660, 198950490, 397900980]

約数ペア:

[(1, 397900980), (2, 198950490), (3, 132633660), (4, 99475245), (5, 79580196), (6, 66316830), (9, 44211220), (10, 39790098), (12, 33158415), (15, 26526732), (17, 23405940), (18, 22105610), (20, 19895049), (30, 13263366), (34, 11702970), (36, 11052805), (45, 8842244), (51, 7801980), (60, 6631683), (68, 5851485), (85, 4681188), (90, 4421122), (102, 3900990), (153, 2600660), (170, 2340594), (180, 2210561), (204, 1950495), (255, 1560396), (289, 1376820), (306, 1300330), (340, 1170297), (510, 780198), (578, 688410), (612, 650165), (765, 520132), (867, 458940), (1020, 390099), (1156, 344205), (1445, 275364), (1530, 260066), (1734, 229470), (2601, 152980), (2890, 137682), (3060, 130033), (3468, 114735), (4335, 91788), (5202, 76490), (5780, 68841), (7649, 52020), (8670, 45894), (10404, 38245), (13005, 30596), (15298, 26010), (17340, 22947)]