198220920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{86939}}^1$

素因数の和:86972

約数の個数: 64

約数和(自身を含む): 625968000

約数和(自身を除く): 427747080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 86939, 173878, 260817, 347756, 434695, 521634, 695512, 869390, 1043268, 1304085, 1651841, 1738780, 2086536, 2608170, 3303682, 3477560, 4955523, 5216340, 6607364, 8259205, 9911046, 10432680, 13214728, 16518410, 19822092, 24777615, 33036820, 39644184, 49555230, 66073640, 99110460, 198220920]

約数ペア:

[(1, 198220920), (2, 99110460), (3, 66073640), (4, 49555230), (5, 39644184), (6, 33036820), (8, 24777615), (10, 19822092), (12, 16518410), (15, 13214728), (19, 10432680), (20, 9911046), (24, 8259205), (30, 6607364), (38, 5216340), (40, 4955523), (57, 3477560), (60, 3303682), (76, 2608170), (95, 2086536), (114, 1738780), (120, 1651841), (152, 1304085), (190, 1043268), (228, 869390), (285, 695512), (380, 521634), (456, 434695), (570, 347756), (760, 260817), (1140, 173878), (2280, 86939)]